Wallowa County Bridge Report Card

Wallowa County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F59 / 100

Local infrastructure snapshot

Wallowa County, Oregon

Wallowa County has 113 bridges in the National Bridge Inventory, with 10 rated poor and 16 rated scour-critical. Its poor-condition share of 8.8% is above the 5.1% statewide average. Poor-condition bridges carry about 2,185 daily vehicle crossings.

113Total Bridges

10Poor (8.8%)

47Fair (41.6%)

16Scour-Critical

Quote-Ready Local Facts

8.8%of county bridges are in poor condition, compared with 5.1% statewide and 6.7% nationally.

2,185daily vehicle crossings are on poor-condition bridges in the county.

16bridges are rated scour-critical, or 14.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Wallowa County a Bridge Condition Exposure Score of 59/100 (F). The county has 113 bridges in the National Bridge Inventory, including 10 in poor condition and 16 rated scour-critical. Poor-condition bridges carry about 2,185 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	8.8%	17.7
Poor-condition traffic exposure	25	3.8% of measured traffic	2.9
Scour-critical bridge share	20	14.2%	20.0
Average age vs national baseline	10	47 years vs 48 nationally	0.0
Traffic-data completeness	5	57,350 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	8.8%
State Poor-Condition Share	5.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	14.2%
Average Bridge Age	47 years
Poor-Condition Traffic Exposure	2,185 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeWest Wallowa AVE over Wrenn Dobbin Ditch — 940 vehicles/day Oldest Listed BridgeWest Second Street over Prairie Creek — built in 1915 All County BridgesBrowse every bridge record in Wallowa County.

Top Bridges to Watch in Wallowa County

Bridge	Reason	Condition	Daily Traffic	Year Built
Dorrence Lane over Hurricane Creek	Poor condition + traffic exposure	Poor	220	1960
Dug Bar Road over Cow Creek	Poor condition + traffic exposure	Poor	103	1951
Lewis Road over Chesnimnus Creek	Poor condition + traffic exposure	Poor	39	1975
West Wallowa AVE over Wrenn Dobbin Ditch	Poor condition + traffic exposure	Poor	940	1942
Whiskey Creek Road over Wallowa River	Poor condition + traffic exposure	Poor	346	1967
Repplinger Lane over Farmers Ditch	Poor condition + traffic exposure	Poor	267	1950
Wallowa Loop Road over Big Sheep Creek	Poor condition + traffic exposure	Poor	225	1950
Bear Creek RD over Bear Creek	Poor condition + traffic exposure	Poor	28	1956
Cayuse Ridge Road over Chesnimnus Ck	Poor condition + traffic exposure	Poor	10	1964
Sheep Creek Road over Big Sheep Creek	Poor condition + traffic exposure	Poor	7	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.