Franklin County Bridge Report Card

Franklin County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B83 / 100
Local infrastructure snapshot

Franklin County, Washington

Franklin County has 133 bridges in the National Bridge Inventory, with 4 rated poor and 5 rated scour-critical. Its poor-condition share of 3.0% is at or below the 5.6% statewide average. Poor-condition bridges carry about 1,663 daily vehicle crossings.

133Total Bridges
4Poor (3.0%)
55Fair (41.4%)
5Scour-Critical

Quote-Ready Local Facts

3.0%of county bridges are in poor condition, compared with 5.6% statewide and 6.7% nationally.
1,663daily vehicle crossings are on poor-condition bridges in the county.
5bridges are rated scour-critical, or 3.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Franklin County a Bridge Condition Exposure Score of 83/100 (B). The county has 133 bridges in the National Bridge Inventory, including 4 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 1,663 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

FactorWeightCounty ValuePenalty
Poor-condition bridge share403.0%6.0
Poor-condition traffic exposure250.3% of measured traffic0.2
Scour-critical bridge share203.8%7.5
Average age vs national baseline1055 years vs 48 nationally3.0
Traffic-data completeness5559,844 measured daily crossings0.0

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 Share3.0%
State Poor-Condition Share5.6%
National Poor-Condition Share6.7%
County Scour-Critical Share3.8%
Average Bridge Age55 years
Poor-Condition Traffic Exposure1,663 vehicles/day

Bridges to Watch

Top Bridges to Watch in Franklin County

BridgeReasonConditionDaily TrafficYear Built
Clark Street over Esquatzel CouleePoor condition + traffic exposurePoor7351963
SR 260 over Dry WashPoor condition + traffic exposurePoor6641967
County Road over Potholes East CanalPoor condition + traffic exposurePoor2041954
County Road over Potholes East CanalPoor condition + traffic exposurePoor601955
US 12 over Snake River & BnrrScour-critical foundation ratingFair13,2601950
SR 263 over Dry GulchScour-critical foundation ratingFair3661952
SR 21 over Dry CouleeScour-critical foundation ratingGood1651963
SR 21 over Dry CouleeScour-critical foundation ratingFair1651963
Farm Access over Potholes East CanalScour-critical foundation ratingFair101952
I-182 over Fcid CanalHigh trafficGood60,6401984

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.