| (subclass Bridge LandTransitway) | Transportation.kif 1618-1618 | 桥 是 陆地过境通道 的 subclass |
| (subclass Bridge StationaryArtifact) | Transportation.kif 1619-1619 | 桥 是 固定人工制品 的 subclass |
| (subclass FixedBridge Bridge) | Transportation.kif 1624-1624 | 固定桥 是 桥 的 subclass |
| (subclass MovableBridge Bridge) | Transportation.kif 1626-1626 | 可动桥 是 桥 的 subclass |
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