Clearwater County Bridge Report Card

Clearwater County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C77 / 100

Local infrastructure snapshot

Clearwater County, Idaho

Clearwater County has 88 bridges in the National Bridge Inventory, with 6 rated poor and 3 rated scour-critical. Its poor-condition share of 6.8% is above the 5.4% statewide average. Poor-condition bridges carry about 350 daily vehicle crossings.

88Total Bridges

6Poor (6.8%)

44Fair (50.0%)

3Scour-Critical

Quote-Ready Local Facts

6.8%of county bridges are in poor condition, compared with 5.4% statewide and 6.7% nationally.

350daily vehicle crossings are on poor-condition bridges in the county.

3bridges are rated scour-critical, or 3.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clearwater County a Bridge Condition Exposure Score of 77/100 (C). The county has 88 bridges in the National Bridge Inventory, including 6 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 350 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	6.8%	13.6
Poor-condition traffic exposure	25	1.2% of measured traffic	0.9
Scour-critical bridge share	20	3.4%	6.8
Average age vs national baseline	10	52 years vs 48 nationally	1.8
Traffic-data completeness	5	28,145 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	6.8%
State Poor-Condition Share	5.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	3.4%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	350 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeNo Data Entered over Orofino Creek — 140 vehicles/day Oldest Listed BridgeForest Street over Orofino Creek — built in 1925 All County BridgesBrowse every bridge record in Clearwater County.

Top Bridges to Watch in Clearwater County

Bridge	Reason	Condition	Daily Traffic	Year Built
Main Street South over Jim Ford Creek	Poor condition + traffic exposure	Poor	80	1965
No Data Entered over Orofino Creek	Poor condition + traffic exposure	Poor	140	1958
Cemetary RD over Jim Ford Creek	Poor condition + traffic exposure	Poor	50	1975
No Data Entered over Osier Creek	Poor condition + traffic exposure	Poor	40	1954
Fdr 382 over Elk Creek	Poor condition + traffic exposure	Poor	20	1961
Fdr 382 over Elk Creek	Poor condition + traffic exposure	Poor	20	1961
SH 11 over Quartz Creek;three Mile	Scour-critical foundation rating	Fair	210	1972
SH 11 over Canal Creek;pierce Br.	Scour-critical foundation rating	Good	210	1975
SH 7 over Clearwater River	High traffic	Fair	7,800	1998
Stc4782;grangemont over Whiskey Cr.;orofino Cr.	High traffic	Fair	2,800	1951

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.