Washington County Bridge Report Card

Washington County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A91 / 100

Local infrastructure snapshot

Washington County, Indiana

Washington County has 174 bridges in the National Bridge Inventory, with 3 rated poor and 4 rated scour-critical. Its poor-condition share of 1.7% is at or below the 5.3% statewide average. Poor-condition bridges carry about 882 daily vehicle crossings.

174Total Bridges

3Poor (1.7%)

94Fair (54.0%)

4Scour-Critical

Quote-Ready Local Facts

1.7%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.

882daily vehicle crossings are on poor-condition bridges in the county.

4bridges are rated scour-critical, or 2.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Washington County a Bridge Condition Exposure Score of 91/100 (A). The county has 174 bridges in the National Bridge Inventory, including 3 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 882 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	1.7%	3.4
Poor-condition traffic exposure	25	0.4% of measured traffic	0.3
Scour-critical bridge share	20	2.3%	4.6
Average age vs national baseline	10	49 years vs 48 nationally	0.4
Traffic-data completeness	5	204,902 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	1.7%
State Poor-Condition Share	5.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.3%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	882 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeMain ST over S Fk Blue River — 613 vehicles/day Oldest Listed BridgeMain ST over S Fk Blue River — built in 1884 All County BridgesBrowse every bridge record in Washington County.

Top Bridges to Watch in Washington County

Bridge	Reason	Condition	Daily Traffic	Year Built
Main ST over S Fk Blue River	Poor condition + traffic exposure	Poor	613	1884
C-burg & Livonia over Lost River	Poor condition + traffic exposure	Poor	225	1966
Franklin Bottoms over Cammie Thomas Ditch	Poor condition + traffic exposure	Poor	44	1930
SR 60 over Middle Fork Blue River	Scour-critical foundation rating	Fair	8,309	1947
SR 135 over Hoggatt Branch	Scour-critical foundation rating	Good	4,473	2004
SR 56 over Mill Creek	Scour-critical foundation rating	Good	3,193	1989
SR 135 over Muscatatuck River	Scour-critical foundation rating	Fair	1,691	1954
SR 56 over Brock Creek	High traffic	Good	15,120	2023
S Main ST over W Fork Blue River	High traffic	Fair	12,770	1955
SR 60 over Haggatt Branch	High traffic	Fair	8,905	1947

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.