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Every bridge in Powder River County, Montana

Name: Every bridge in Powder River County, Montana
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

23 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Powder River County, Montana, has 23 bridges in the 2025 National Bridge Inventory: 12 rated good, 11 fair, and 0 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US 212 over E Fk Little Powder River	1983	2,594	Fair
US 212 over Little Powder River	1976	2,594	Fair
US 212 over E Fork Otter Creek	1992	2,305	Good
US 212 over Pumpkin Creek	2012	2,197	Good
US 212 over Powder River	1985	2,084	Good
S 59 over Mizpah Creek	2001	742	Good
S 59 over Road Creek-stockpass	2001	742	Good
S 544 over Little Powder River	1974	139	Fair
Big Powder R E Rd over Little Powder River 028	1947	107	Fair
Brewer Rd over Timber Creek 017	1996	100	Good
Camp Creek Rd over Pumpkin Creek 021	1915	100	Fair
Cross S Rd over Mizpah Creek 020	2013	100	Good
Mobley Rd over Mizpah Creek 019	2014	100	Good
Moorhead Rd over Powder River 006	2022	100	Good
S 484 Fh 51 over Otter Creek	1963	85	Fair
S 391-moorhead Rd over Drainage Overflow	1935	74	Fair
Belle Creek Rd over Little Powder River 011	1970	50	Fair
Powderville Rd E over Crow Creek 004	1986	48	Fair
Powderville Rd E over North Fork Horse Creek	2023	48	Good
Rd 552 over Powder River 016	2008	47	Fair
S 484 Fh 51 over Otter Creek	1999	35	Fair
S 484 over Bear Creek	1999	20	Good
S 484 over Bear Creek	1999	20	Good

Source: FHWA National Bridge Inventory, 2025.

Powder River County bridge conditions · Montana bridges by county.

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