Washington County Bridge Report Card

Washington County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B85 / 100

Local infrastructure snapshot

Washington County, Colorado

Washington County has 76 bridges in the National Bridge Inventory, with 3 rated poor and 2 rated scour-critical. Its poor-condition share of 3.9% is at or below the 4.6% statewide average. Poor-condition bridges carry about 718 daily vehicle crossings.

76Total Bridges

3Poor (3.9%)

59Fair (77.6%)

2Scour-Critical

Quote-Ready Local Facts

3.9%of county bridges are in poor condition, compared with 4.6% statewide and 6.7% nationally.

718daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 2.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Washington County a Bridge Condition Exposure Score of 85/100 (B). The county has 76 bridges in the National Bridge Inventory, including 3 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 718 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	3.9%	7.9
Poor-condition traffic exposure	25	1.9% of measured traffic	1.4
Scour-critical bridge share	20	2.6%	5.3
Average age vs national baseline	10	50 years vs 48 nationally	0.8
Traffic-data completeness	5	37,205 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	3.9%
State Poor-Condition Share	4.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.6%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	718 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 36 Ml over Vega Creek — 700 vehicles/day Oldest Listed BridgeUS 6 Ml over South Platte Ditch — built in 1926 All County BridgesBrowse every bridge record in Washington County.

Top Bridges to Watch in Washington County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 36 Ml over Vega Creek	Poor condition + traffic exposure	Poor	700	1938
County Road R over N. Fork Arikaree River	Poor condition + traffic exposure	Poor	10	1995
County Road Gg over Hell Creek	Poor condition + traffic exposure	Poor	8	1985
US 34 Ml over Surveyor Creek	Scour-critical foundation rating	Fair	2,900	1935
County Road Gg over Trib. Of Surveyor Creek	Scour-critical foundation rating	Good	18	1960
I 76 Ml Wbnd over County Road Q	High traffic	Fair	5,500	1964
I 76 Ml Ebnd over County Road Q	High traffic	Fair	5,500	1964
US 34 Ml over Camp Creek	High traffic	Good	3,300	2000
US 34 Ml over Draw	High traffic	Good	3,100	2006
US 6 Ml over Prewitt Res Intake Canal	High traffic	Fair	1,100	1941

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.