Grand Forks County Bridge Report Card

Grand Forks County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C74 / 100

Local infrastructure snapshot

Grand Forks County, North Dakota

Grand Forks County has 337 bridges in the National Bridge Inventory, with 36 rated poor and 4 rated scour-critical. Its poor-condition share of 10.7% is at or below the 11.1% statewide average. Poor-condition bridges carry about 12,234 daily vehicle crossings.

337Total Bridges

36Poor (10.7%)

196Fair (58.2%)

4Scour-Critical

Quote-Ready Local Facts

10.7%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.

12,234daily vehicle crossings are on poor-condition bridges in the county.

4bridges are rated scour-critical, or 1.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Grand Forks County a Bridge Condition Exposure Score of 74/100 (C). The county has 337 bridges in the National Bridge Inventory, including 36 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 12,234 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	2.8% of measured traffic	2.1
Scour-critical bridge share	20	1.2%	2.4
Average age vs national baseline	10	49 years vs 48 nationally	0.3
Traffic-data completeness	5	432,649 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	11.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.2%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	12,234 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeInterstate 29 over Nd297/demers AVE Int-gf — 8,200 vehicles/day Oldest Listed BridgePark Road over Turtle River — built in 1910 All County BridgesBrowse every bridge record in Grand Forks County.

Top Bridges to Watch in Grand Forks County

Bridge	Reason	Condition	Daily Traffic	Year Built
County Highway over Creek	Poor condition + traffic exposure	Poor	45	2002
Interstate 29 over Nd297/demers AVE Int-gf	Poor condition + traffic exposure	Poor	8,200	1968
US Highway 81 over Creek	Poor condition + traffic exposure	Poor	2,820	2006
County Highway over Cole Creek	Poor condition + traffic exposure	Poor	180	1950
County Road over Turtle River	Poor condition + traffic exposure	Poor	100	1964
County Highway over So. Branch Turtle River	Poor condition + traffic exposure	Poor	95	1966
County Highway over Creek	Poor condition + traffic exposure	Poor	70	1946
County Highway over Turtle River	Poor condition + traffic exposure	Poor	40	1913
County Highway over Morias River	Poor condition + traffic exposure	Poor	40	1926
County Highway over So Branch Forest River	Poor condition + traffic exposure	Poor	40	1950

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.