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Moorhead Rd over Powder River 006

Powder River County, Montana · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (45.05728, -105.87853)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck88Very good condition
Superstructure88Very good condition
Substructure88Very good condition

Bridge details

StructureSteel through truss
Lengthabout 240 ft
Location25M W Biddle
NBI structure number000000202204018
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)June 2024
Inspection interval (item 91)24 months
Scour (item 113)3: scour critical: foundations unstable for the assessed or calculated scour

Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.

Busiest bridges in Powder River County

BridgeBuiltVehicles/dayCondition
US 212 over Little Powder River19762,594Fair
US 212 over E Fk Little Powder River19832,594Fair
US 212 over E Fork Otter Creek19922,305Good
US 212 over Pumpkin Creek20122,197Good
US 212 over Powder River19852,084Good
S 59 over Mizpah Creek2001742Good

All bridges nearby: Powder River County, MT bridge conditions · every bridge in Powder River County · Montana bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.