Benton County Bridge Report Card

Benton County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Benton County, Washington

Benton County has 167 bridges in the National Bridge Inventory, with 11 rated poor and 1 rated scour-critical. Its poor-condition share of 6.6% is above the 5.6% statewide average. Poor-condition bridges carry about 80,674 daily vehicle crossings.

167Total Bridges

11Poor (6.6%)

61Fair (36.5%)

1Scour-Critical

Quote-Ready Local Facts

6.6%of county bridges are in poor condition, compared with 5.6% statewide and 6.7% nationally.

80,674daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Benton County a Bridge Condition Exposure Score of 81/100 (B). The county has 167 bridges in the National Bridge Inventory, including 11 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 80,674 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	6.6%	13.2
Poor-condition traffic exposure	25	6.0% of measured traffic	4.5
Scour-critical bridge share	20	0.6%	1.2
Average age vs national baseline	10	48 years vs 48 nationally	0.1
Traffic-data completeness	5	1,349,333 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	6.6%
State Poor-Condition Share	5.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.6%
Average Bridge Age	48 years
Poor-Condition Traffic Exposure	80,674 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeWashington Street over Cid Canal — 12,416 vehicles/day Oldest Listed BridgeColumbia Prk Trail over Columbia IRR Dist Canal — built in 1929 All County BridgesBrowse every bridge record in Benton County.

Top Bridges to Watch in Benton County

Bridge	Reason	Condition	Daily Traffic	Year Built
Washington Street over Cid Canal	Poor condition + traffic exposure	Poor	12,416	1971
I-82 over Bn Ry	Poor condition + traffic exposure	Poor	12,139	1973
I-82 over Chandler Canal	Poor condition + traffic exposure	Poor	11,211	1977
I-82 over Yakima River	Poor condition + traffic exposure	Poor	11,211	1977
I-82 over Yakima River	Poor condition + traffic exposure	Poor	11,211	1977
Gap Road over I-82	Poor condition + traffic exposure	Poor	6,869	1978
SR 24 over Columbia River	Poor condition + traffic exposure	Poor	5,506	1965
Canal Drive over Cid Canal	Poor condition + traffic exposure	Poor	5,206	1964
Columbia DR over Drain Ditch	Poor condition + traffic exposure	Poor	2,350	1944
SR 14 over Glade Creek	Poor condition + traffic exposure	Poor	1,552	1961

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.