Mohave County Bridge Report Card

Mohave County scores 95 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A95 / 100

Local infrastructure snapshot

Mohave County, Arizona

Mohave County has 640 bridges in the National Bridge Inventory, with 4 rated poor and 5 rated scour-critical. Its poor-condition share of 0.6% is at or below the 1.1% statewide average. Poor-condition bridges carry about 72,892 daily vehicle crossings.

640Total Bridges

4Poor (0.6%)

174Fair (27.2%)

5Scour-Critical

Quote-Ready Local Facts

0.6%of county bridges are in poor condition, compared with 1.1% statewide and 6.7% nationally.

72,892daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 0.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Mohave County a Bridge Condition Exposure Score of 95/100 (A). The county has 640 bridges in the National Bridge Inventory, including 4 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 72,892 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	0.6%	1.2
Poor-condition traffic exposure	25	1.2% of measured traffic	0.9
Scour-critical bridge share	20	0.8%	1.6
Average age vs national baseline	10	50 years vs 48 nationally	0.8
Traffic-data completeness	5	6,129,769 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	0.6%
State Poor-Condition Share	1.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.8%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	72,892 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI 15 over Virgin River — 32,192 vehicles/day Oldest Listed BridgeOld Trails Road over Old Trails Wash — built in 1917 All County BridgesBrowse every bridge record in Mohave County.

Top Bridges to Watch in Mohave County

Bridge	Reason	Condition	Daily Traffic	Year Built
I 15 over Virgin River	Poor condition + traffic exposure	Poor	32,192	1967
I 15; NB over Virgin River	Poor condition + traffic exposure	Poor	17,105	1972
I 15; SB over Virgin River	Poor condition + traffic exposure	Poor	14,906	1973
I 40; EB over Willow Creek	Poor condition + traffic exposure	Poor	8,689	1976
Laughlin RD Br over Colorado River	Scour-critical foundation rating	Fair	31,500	1987
US 93 over Cane Springs Wash	Scour-critical foundation rating	Fair	10,203	1961
US 93 over Natural Corral Wash	Scour-critical foundation rating	Fair	10,203	1961
US 93 NB over Detrital Wash	Scour-critical foundation rating	Fair	8,908	1982
US 93 SB over Detrital Wash	Scour-critical foundation rating	Fair	8,855	1982
SR 95 over Wash	High traffic	Good	52,726	1970

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.