Valley County Bridge Report Card

Valley County scores 73 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C73 / 100

Local infrastructure snapshot

Valley County, Montana

Valley County has 103 bridges in the National Bridge Inventory, with 11 rated poor and 2 rated scour-critical. Its poor-condition share of 10.7% is above the 7.4% statewide average. Poor-condition bridges carry about 1,609 daily vehicle crossings.

103Total Bridges

11Poor (10.7%)

76Fair (73.8%)

2Scour-Critical

Quote-Ready Local Facts

10.7%of county bridges are in poor condition, compared with 7.4% statewide and 6.7% nationally.

1,609daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 1.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Valley County a Bridge Condition Exposure Score of 73/100 (C). The county has 103 bridges in the National Bridge Inventory, including 11 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 1,609 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	10.7%	21.4
Poor-condition traffic exposure	25	2.9% of measured traffic	2.2
Scour-critical bridge share	20	1.9%	3.9
Average age vs national baseline	10	46 years vs 48 nationally	0.0
Traffic-data completeness	5	55,103 measured daily crossings	0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share	10.7%
State Poor-Condition Share	7.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.9%
Average Bridge Age	46 years
Poor-Condition Traffic Exposure	1,609 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSR 117 over Missouri River Overflow — 818 vehicles/day Oldest Listed BridgeBeaverton RD over Beaver Creek 104 — built in 1915 All County BridgesBrowse every bridge record in Valley County.

Top Bridges to Watch in Valley County

Bridge	Reason	Condition	Daily Traffic	Year Built
SR 117 over Missouri River Overflow	Poor condition + traffic exposure	Poor	818	1950
Fox Farm RD over Lindeke Coulee 007	Poor condition + traffic exposure	Poor	100	1930
Old HWY 2 over Beaver Creek 115	Poor condition + traffic exposure	Poor	100	1931
Bentonite RD over Vandalia South Canal 089	Poor condition + traffic exposure	Poor	100	1938
Bengochea RD over E Fk Porcupine Creek 112	Poor condition + traffic exposure	Poor	100	1960
Cache Creek RD over Little Snake Creek 048	Poor condition + traffic exposure	Poor	100	1965
Hentges RD over Little Porcupine CR 064	Poor condition + traffic exposure	Poor	100	1965
Oberg RD over Vandalia South Canal 078	Poor condition + traffic exposure	Poor	100	1989
Tampico RD over Vandalia South Canal 003	Poor condition + traffic exposure	Poor	39	2002
Vandalia RD over Milk River 012	Poor condition + traffic exposure	Poor	29	1989

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.