Beaverhead County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Beaverhead River BridgeCR 004 over Beaverhead RiverNo longer existsThrough truss1908199596.198.1
Beaverhead River BridgeCR 279 over Beaverhead RiverNo longer existsPony truss1920--71.5142.7
Beaverhead River BridgeCR 316 over Beaverhead RiverOpen to trafficWarren pony truss with all verticals1930--100.1100.1
Beaverhead River BridgeCR 559 over Beaverhead RiverOpen to trafficPratt through truss1908--96.196.1
Big Hole River BridgeCR 012 over Big Hole RiverReplaced by a new bridgePony trussca. 1920199982.082.0
Big Hole River BridgeCR 085 over Big Hole RiverOpen to trafficWarren pony truss with all verticals1925--100.1100.1
Big Hole River BridgeCR 210 over Big Hole RiverNo longer existsThrough truss18922000128.0128.9
Big Hole River BridgeI-15 Frontage Road over Big Hole RiverOpen to trafficPratt through truss1940--148.0232.0
Brownes BridgeCR 320 over Big Hole RiverOpen to trafficPolygonal Warren through truss with alternating verticals1915--174.9174.9
Brownes Bridge (Old)Brownes Bridge Road over Big Hole RiverReplaced by a new bridgeTruss18631915----
Horse Prairie Creek BridgeCR 111 over Horse Prairie CreekOpen to trafficWarren pony truss with alternating verticals1920--54.154.1
Kidd BridgeCR 257 (Ashbough Trail) over Red Rock RiverOpen to trafficPratt pony truss1909--64.064.0
Maiden Rock BridgeMaiden Rock Road over Big Hole RiverOpen to trafficParker through truss1951--198.2202.1
Mountain Highway 91-Poindexter Slough BridgeMt Hwy 91 over Poindexter SloughOpen to trafficConcrete tee beam1936--24.977.1
Mountain Highway 91-RR BridgeMt Hwy 91 over RrOpen to trafficConcrete tee beam1936--49.9143.1
Red Rock River BridgeCR 239 over Red Rock RiverClosed to all trafficPony truss1913--75.175.1
Red Rock River BridgeCR 266 over Red Rock RiverOpen to trafficPony truss1915--56.156.1
Red Rock River BridgeCR 269 over Red Rock RiverOpen to trafficPolygonal Warren pony truss with alternating verticals1920--96.198.1
Silver BridgeCR 017 over Big Hole RiverOpen to trafficPolygonal Warren through truss1914--154.2230.0
UP - Beaverhead River BridgeUnion Pacific Railroad over Beaverhead RiverOpen to trafficTriple-intersection lattice through truss1902--110.0110.0
UP - Big Hole River BridgeUnion Pacific Railroad over Big Hole RiverOpen to trafficTriple-intersection lattice through truss1901--140.0240.0
West Bench Canal BridgeCR 028 over West Bench CanalOpen to trafficPony truss1909--64.065.0