Difference between revisions of "Bridge"
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== Analysis == | == Analysis == | ||
| − | Bridges are essential if you need certain objects on water or marshy soil, such as | + | Bridges are essential if you need certain objects on water or marshy soil, such as wooden [[wall]]s. They are required to build [[moisture pump]]s over water, which can eventually remove the water. And due to the faster move speed, you can speed up colonists by placing bridges through their path. [[Raider]]s can also path through the bridge, giving you some control over their movement. |
| − | In practice, raiders will not attack ''any'' wall or door unless 1. they are [[sapper]]s or [[breacher]]s, or 2. they have no reasonable target to access to without breaking a wall. Therefore, | + | In practice, raiders will not attack ''any'' wall or door unless 1. they are [[sapper]]s or [[breacher]]s, or 2. they have no reasonable target to access to without breaking a wall. Therefore, wooden walls are relatively safe to use. For example, bridges and walls can be used to surround your [[watermill generator]]s, making them almost non-targets for raiders. |
[[Power conduit]]s can be built on bridges, replacing the need for [[waterproof conduit]]s. The latter costs {{icon small|steel||10}} [[steel]], which is 10x more than a regular conduit. However, the bridge has its own wood cost, and bridges are much more vulnerable to [[fire]]. | [[Power conduit]]s can be built on bridges, replacing the need for [[waterproof conduit]]s. The latter costs {{icon small|steel||10}} [[steel]], which is 10x more than a regular conduit. However, the bridge has its own wood cost, and bridges are much more vulnerable to [[fire]]. | ||
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Because bridges have a significantly lower pathcost compared to water and mud, [[raiders]] will naturally prefer to path over most bridges but will also not attract attacks from breachers like walls used to constrict passages. This can be exploited by placing traps on the bridges for raiders to trigger. While [[spike trap]]s will work for this purpose, [[IED trap]]s are particularly effective especially when paired with a large [[roof]] supported by a wooden wall that will be destroyed by the IED's detonation, dropping the roof on the enemies for additional damage. | Because bridges have a significantly lower pathcost compared to water and mud, [[raiders]] will naturally prefer to path over most bridges but will also not attract attacks from breachers like walls used to constrict passages. This can be exploited by placing traps on the bridges for raiders to trigger. While [[spike trap]]s will work for this purpose, [[IED trap]]s are particularly effective especially when paired with a large [[roof]] supported by a wooden wall that will be destroyed by the IED's detonation, dropping the roof on the enemies for additional damage. | ||
| − | This strategy works even if the bridge does not cross the entire span of the water, as even the small improvement in path cost is often enough to tempt raiders to use them. | + | This strategy works even if the bridge does not cross the entire span of the water, as even the small improvement in path cost is often enough to tempt raiders to use them. |
== Version history == | == Version history == | ||
Revision as of 06:46, 29 January 2023
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Bridge
A flat wooden surface on supportive beams which can be built over water. You can build light structures on bridges, but be careful - bridges are fragile. If a bridge falls, buildings on top of it fall as well.
Base Stats
- Type
- Structure
- Market Value
- 20
[Note] - Beauty
- 0
- HP
- 35
- Flammability
- 80%
Building
- Size
- 1 × 1
- Placeable
- True
- Terrain Affordance
- Bridgeable
- Move Speed Factor
- 100%
Creation
- Work To Make
- 1,500 ticks (25 secs)
- Resources to make
12
- tags
- Floor
Bridges are structures that can be built on water, and allow light buildings on top of them.
Acquisition
Building a bridge requires 12 Wood and 1,500 ticks (25 secs) of work. They can only be constructed on the following terrain types:
- Marshy soil
- Mud
- Marsh
- Shallow water
- Shallow ocean water
- Shallow moving water
- Chest-deep moving water
Summary
 | This section is a stub. You can help RimWorld Wiki by expanding it. Reason: destroyOnBombDamageThreshold of 35. Verify in-game and add. |
While structures, bridges act similar to a floor tile. Unlike the water its on, bridges don't penalize movement, making travel faster. They can also support structures that require a terrain affordance of "light", such as wooden walls and buildings, but not structures that require medium or heavy terrain affordance, like any other type of wall.
Bridges can be damaged or destroyed by fire or explosions.[Specificity] When destroyed, whatever is built on top will be destroyed alongside it.
Bridges can also be removed from the "Remove Bridge" gizmo under Architect/Structures.
Analysis
Bridges are essential if you need certain objects on water or marshy soil, such as wooden walls. They are required to build moisture pumps over water, which can eventually remove the water. And due to the faster move speed, you can speed up colonists by placing bridges through their path. Raiders can also path through the bridge, giving you some control over their movement.
In practice, raiders will not attack any wall or door unless 1. they are sappers or breachers, or 2. they have no reasonable target to access to without breaking a wall. Therefore, wooden walls are relatively safe to use. For example, bridges and walls can be used to surround your watermill generators, making them almost non-targets for raiders.
Power conduits can be built on bridges, replacing the need for waterproof conduits. The latter costs 
10 steel, which is 10x more than a regular conduit. However, the bridge has its own wood cost, and bridges are much more vulnerable to fire.
Path baiting
| This section could use some more or updated images. You can help RimWorld Wiki by uploading images to make this section better. Note: Image of scattered (non-contiguous) bridge IED traps with roof drop. |
Because bridges have a significantly lower pathcost compared to water and mud, raiders will naturally prefer to path over most bridges but will also not attract attacks from breachers like walls used to constrict passages. This can be exploited by placing traps on the bridges for raiders to trigger. While spike traps will work for this purpose, IED traps are particularly effective especially when paired with a large roof supported by a wooden wall that will be destroyed by the IED's detonation, dropping the roof on the enemies for additional damage.
This strategy works even if the bridge does not cross the entire span of the water, as even the small improvement in path cost is often enough to tempt raiders to use them.
Version history
- 1.2.2753 - Can now be auto-rebuilt.
- Structure
- Animal flap • Autodoor • Bridge • Column • Door • Fence • Fence gate • Ornate door • Wall • Security door
- Related
- Roof
- Floors
- Burned floors (Carpet, Straw matting, Wood floor, Bioferrite plate) • Concrete • Flagstones (Sandstone, Granite, Limestone, Slate, Marble) • Gold tile • Paved tile • Silver tile • Steel tile • Sterile tile • Straw matting • Wood floor • Fungal gravel
• Hex tile • Spikecore plates • Totemic boards - (research)
- Carpet • Stone tiles (Sandstone, Granite, Limestone, Slate, Marble) • Fine carpets
• Fine stone tiles (Sandstone, Granite, Limestone, Slate, Marble) • Hex carpet • Mindbend carpet • Morbid carpet • Morbid stone tiles (Sandstone, Granite, Limestone, Slate, Marble) • Spikecore stone tiles (Sandstone, Granite, Limestone, Slate, Marble) • Totemic stone tiles (Sandstone, Granite, Limestone, Slate, Marble) • Bioferrite plate - Floor coverings
- Animalist slab (Medium, Broad) • Morbid slab (Medium, Broad) • Rustic rug (Medium, Broad) • Spikecore floor-star (Medium, Broad) • Totemic slab (Medium, Broad)
- Related
- Bridge • Smooth stone • Void metal