Foster County Bridge Report Card

Foster County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B89 / 100

Local infrastructure snapshot

Foster County, North Dakota

Foster County has 19 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 5.3% is at or below the 11.1% statewide average. Poor-condition bridges carry about 5 daily vehicle crossings.

19Total Bridges

1Poor (5.3%)

9Fair (47.4%)

0Scour-Critical

Quote-Ready Local Facts

5.3%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.

5daily vehicle crossings are on poor-condition bridges in the county.

0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Foster County a Bridge Condition Exposure Score of 89/100 (B). The county has 19 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 5 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	5.3%	10.5
Poor-condition traffic exposure	25	0.0% of measured traffic	0.0
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	12,275 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	5.3%
State Poor-Condition Share	11.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	5 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCounty Highway over James River — 5 vehicles/day Oldest Listed BridgeCounty Highway over James River — built in 1925 All County BridgesBrowse every bridge record in Foster County.

Top Bridges to Watch in Foster County

Bridge	Reason	Condition	Daily Traffic	Year Built
County Highway over James River	Poor condition + traffic exposure	Poor	5	1925
US Highway 52 over Cp Railway	High traffic	Good	5,800	2004
US Highway 52 over Cp Railway	High traffic	Fair	2,290	1979
US Highway 52 over Pipestem Creek	High traffic	Good	1,830	1965
Nd Highway 200 over James River	High traffic	Good	680	1959
Nd Highway 20 over Bn Railroad	High traffic	Good	480	1989
County Highway over Pipestem Creek	High traffic	Fair	330	1970
Nd Highway 9 over James River	High traffic	Fair	280	1965
County Highway over James River	High traffic	Fair	220	1967
County Road over James River	High traffic	Fair	145	1977

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.