Gaitkit Open the lab
Footbridge, A pedestrian bridge that spans a road along X with its deck 6 m up (about 5 m clear underneath), a landing tower at each end and two-flight stairs running down along the road in opposite directions. Steel truss, concrete or timber, with an optional roof; lamps along the deck glow at night. The road passes under it along Z.
Building · Still

Footbridge

A pedestrian bridge that spans a road along X with its deck 6 m up (about 5 m clear underneath), a landing tower at each end and two-flight stairs running down along the road in opposite directions. Steel truss, concrete or timber, with an optional roof; lamps along the deck glow at night. The road passes under it along Z.

Size
22.1 × 9.4 × 23.8 m
Triangles
2,356
Open in the lab Ready for any engine. The download carries the knobs you set here.

Tune it

4 knobs: Span, Style, Roof, Paint.

Specs

Size
22.1 × 9.4 × 23.8 m
width × height × depth
Triangles
2,356
of 6,000
Draw calls
1
one vertex-colour material
Knobs
4
3 presets
Night lights
1
lamp

Passed the validator: real scale, rests on y = 0, front faces +Z, deterministic.

Use it

Code for the specimen as it is set up above; it follows your knobs.

JavaScript
import { createAsset } from 'https://gaitkit.com/cdn/footbridge.mjs';

const footbridge = createAsset();
scene.add(footbridge);                      // rests on y = 0, front faces +Z

More in the docs; agents can fetch all of this through MCP.

Knobs

KnobTypeValuesDefaultWhat it does
spanrange10 to 24, step 116Clear span between the two landing towers in metres: 10 crosses a two-lane street, 16 a four-lane road, 24 a boulevard. Each landing adds 3 m and each staircase reaches about 11 m along the road.
stylechoicesteel concrete woodensteelsteel (painted Warren truss sides, round columns, open steel stairs), concrete (deep box girder with solid parapets, square piers), wooden (timber beams, cross-braced railings, park or campus bridge).
rooftoggleon / offfalseCovered walkway: a curved canopy on steel, a flat slab on concrete, a gable roof on timber, with lights under it.
paintchoiceteal blue red yellow greytealAccent colour for the steelwork, handrails and roof edge: teal, blue, red, yellow, grey.

Presets: highway overpass {"span":24,"style":"concrete","roof":true,"paint":"grey"} · park crossing {"span":12,"style":"wooden","roof":true,"paint":"red"} · station skywalk {"span":18,"style":"steel","roof":true,"paint":"blue"}

Files

FileWhat
footbridge.glbGLB, default look · 174 KB
footbridge.mjsES module, every knob live
footbridge.objOBJ, static, no colour
footbridge-params.jsonknob schema, presets, night zones

Licence

Use it in games, apps, renders and client work, commercially and without credit. Do not resell it as an asset or train a 3D generator on it. The full licence.