Morrow County Bridge Report Card

Morrow County scores 71 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C71 / 100

Local infrastructure snapshot

Morrow County, Oregon

Morrow County has 71 bridges in the National Bridge Inventory, with 3 rated poor and 9 rated scour-critical. Its poor-condition share of 4.2% is at or below the 5.1% statewide average. Poor-condition bridges carry about 150 daily vehicle crossings.

71Total Bridges

3Poor (4.2%)

39Fair (54.9%)

9Scour-Critical

Quote-Ready Local Facts

4.2%of county bridges are in poor condition, compared with 5.1% statewide and 6.7% nationally.

150daily vehicle crossings are on poor-condition bridges in the county.

9bridges are rated scour-critical, or 12.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Morrow County a Bridge Condition Exposure Score of 71/100 (C). The county has 71 bridges in the National Bridge Inventory, including 3 in poor condition and 9 rated scour-critical. Poor-condition bridges carry about 150 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	4.2%	8.5
Poor-condition traffic exposure	25	0.2% of measured traffic	0.1
Scour-critical bridge share	20	12.7%	20.0
Average age vs national baseline	10	50 years vs 48 nationally	0.7
Traffic-data completeness	5	92,775 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	4.2%
State Poor-Condition Share	5.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	12.7%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	150 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeClarks Canyon Road over Willow Creek EB — 81 vehicles/day Oldest Listed BridgeRiverside Avenue over Willow Creek EB — built in 1915 All County BridgesBrowse every bridge record in Morrow County.

Top Bridges to Watch in Morrow County

Bridge	Reason	Condition	Daily Traffic	Year Built
Clarks Canyon Road over Willow Creek EB	Poor condition + traffic exposure	Poor	81	1983
Buttermilk Can RD over Rock Creek	Poor condition + traffic exposure	Poor	54	1965
Kirk St. over Willow Creek	Poor condition + traffic exposure	Poor	15	1971
Or 74 (hwy 052) over Willow Creek	Scour-critical foundation rating	Fair	2,909	1964
Or 74 (hwy 052) over Campbell Creek	Scour-critical foundation rating	Fair	1,554	1972
Or 74 (hwy 052) over Blackhorse Creek	Scour-critical foundation rating	Fair	1,546	1921
Or 74 (hwy 052) over Willow Creek	Scour-critical foundation rating	Fair	927	1921
Or 206 (hwy 300) over Rhea Creek	Scour-critical foundation rating	Fair	288	1935
Ione-gooseberry RD over Willow Creek EB	Scour-critical foundation rating	Fair	217	1980
Or 74 (hwy 052) over Lounsberry Creek	Scour-critical foundation rating	Good	108	1966

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.