Wasco County Bridge Report Card

Wasco County scores 53 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F53 / 100

Local infrastructure snapshot

Wasco County, Oregon

Wasco County has 148 bridges in the National Bridge Inventory, with 16 rated poor and 26 rated scour-critical. Its poor-condition share of 10.8% is above the 5.1% statewide average. Poor-condition bridges carry about 11,133 daily vehicle crossings.

148Total Bridges

16Poor (10.8%)

94Fair (63.5%)

26Scour-Critical

Quote-Ready Local Facts

10.8%of county bridges are in poor condition, compared with 5.1% statewide and 6.7% nationally.

11,133daily vehicle crossings are on poor-condition bridges in the county.

26bridges are rated scour-critical, or 17.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Wasco County a Bridge Condition Exposure Score of 53/100 (F). The county has 148 bridges in the National Bridge Inventory, including 16 in poor condition and 26 rated scour-critical. Poor-condition bridges carry about 11,133 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	10.8%	21.6
Poor-condition traffic exposure	25	2.1% of measured traffic	1.6
Scour-critical bridge share	20	17.6%	20.0
Average age vs national baseline	10	57 years vs 48 nationally	3.7
Traffic-data completeness	5	538,427 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	10.8%
State Poor-Condition Share	5.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	17.6%
Average Bridge Age	57 years
Poor-Condition Traffic Exposure	11,133 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeW 10th Street over Mill Creek — 8,665 vehicles/day Oldest Listed BridgeOld Dufur South over Eightmile Creek — built in 1914 All County BridgesBrowse every bridge record in Wasco County.

Top Bridges to Watch in Wasco County

Bridge	Reason	Condition	Daily Traffic	Year Built
W 10th Street over Mill Creek	Poor condition + traffic exposure	Poor	8,665	1975
Mill CR RD over Mill Creek	Poor condition + traffic exposure	Poor	770	1941
Steele Road over Threemile Creek	Poor condition + traffic exposure	Poor	598	1950
Mosier Creek Road over Mosier Creek	Poor condition + traffic exposure	Poor	244	1950
Mosier Creek Road over Mosier Creek	Poor condition + traffic exposure	Poor	229	1950
Fairgrounds Road over Badger Creek	Poor condition + traffic exposure	Poor	109	1960
Long Hollow Road over Dry Creek	Poor condition + traffic exposure	Poor	97	1959
Dufur Gap Road over Mays Creek	Poor condition + traffic exposure	Poor	152	1945
Easton Canyon Road over Easton Canyon #4	Poor condition + traffic exposure	Poor	54	1940
Road over Boulder Creek (crane)	Poor condition + traffic exposure	Poor	50	1985

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.