US Bridges

Main ST over S Fk Blue River

PoorPosted for load

Washington County, Indiana · 00.20 SE of Grove ST · Structure no. 8800133

Built
1884
141 years old, rebuilt 2007
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
113 ft
1 main span
Daily traffic
613
2019 count
Owner
County
County Highway Agency

About this bridge

Main ST over S Fk Blue River is a steel truss - thru carrying Main ST over S Fk Blue River in Washington County, Indiana. It was built in 1884 and reconstructed in 2007, so it is 141 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 613 vehicles a day, roughly 2% of them trucks, projected to reach 765 by 2032. The structure is 113 ft (34.4 m) long and 16 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMain ST
CrossesS Fk Blue River
Location00.20 SE of Grove ST
RouteCity Street 0
StateIndiana
Coordinates38.501, -86.00976
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.6 US tons
Inventory rating10.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span111 ft (33.7 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic613 (2019)
Projected traffic765 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over S Fk Blue River built?

It was built in 1884, making it 141 years old in 2025. It was reconstructed in 2007.

What condition is Main ST over S Fk Blue River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Main ST over S Fk Blue River carry?

About 613 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Main ST over S Fk Blue River?

The structure is 113 ft (34.4 m) long with a longest span of 111 ft (33.7 m) and a deck 16 ft wide.

Who owns Main ST over S Fk Blue River?

It is owned by the County Highway Agency.