Hill County Bridge Report Card

Hill County scores 82 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B82 / 100

Local infrastructure snapshot

Hill County, Montana

Hill County has 46 bridges in the National Bridge Inventory, with 3 rated poor and 1 rated scour-critical. Its poor-condition share of 6.5% is at or below the 7.4% statewide average. Poor-condition bridges carry about 300 daily vehicle crossings.

46Total Bridges

3Poor (6.5%)

16Fair (34.8%)

1Scour-Critical

Quote-Ready Local Facts

6.5%of county bridges are in poor condition, compared with 7.4% statewide and 6.7% nationally.

300daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 2.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Hill County a Bridge Condition Exposure Score of 82/100 (B). The county has 46 bridges in the National Bridge Inventory, including 3 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 300 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	6.5%	13.0
Poor-condition traffic exposure	25	0.8% of measured traffic	0.6
Scour-critical bridge share	20	2.2%	4.3
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	36,235 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	6.5%
State Poor-Condition Share	7.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.2%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	300 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIRR Route 46 over Big Sandy Creek — 100 vehicles/day Oldest Listed Bridge7th AVE N over Rr — built in 1936 All County BridgesBrowse every bridge record in Hill County.

Top Bridges to Watch in Hill County

Bridge	Reason	Condition	Daily Traffic	Year Built
IRR Route 46 over Big Sandy Creek	Poor condition + traffic exposure	Poor	100	1963
48th ST W over Beaver Creek 046	Poor condition + traffic exposure	Poor	100	1966
Road 290 N over Canadian Coulee 036	Poor condition + traffic exposure	Poor	100	1980
Road 100 S over Big Sandy Creek 019	Scour-critical foundation rating	Fair	29	1963
US 2 over Little Box Elder Creek	High traffic	Good	3,678	2011
US 2 over Drainage	High traffic	Good	3,678	2011
US 2 over Rr	High traffic	Fair	3,539	1960
7th AVE N over Rr	High traffic	Fair	3,404	1936
US 87 over Beaver Creek	High traffic	Good	2,982	1966
7th AVE N over Milk River	High traffic	Good	2,952	1973

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.