US Bridges

S Main ST over W Fork Blue River

Fair

Washington County, Indiana · 00.10 W SR 135 · Structure no. 8800161

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
162 ft
1 main span
Daily traffic
12,770
2019 count
Owner
County
County Highway Agency

About this bridge

S Main ST over W Fork Blue River is a concrete arch - deck carrying S Main ST over W Fork Blue River in Washington County, Indiana. It was built in 1955, so it is 70 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,770 vehicles a day, roughly 9% of them trucks, projected to reach 15,600 by 2039. The structure is 162 ft (49.3 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS Main ST
CrossesW Fork Blue River
Location00.10 W SR 135
RouteState Highway 60
StateIndiana
Coordinates38.60149, -86.10068
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length162 ft (49.3 m)
Longest span80 ft (24.3 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,770 (2019)
Projected traffic15,600 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

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

Frequently asked questions

When was S Main ST over W Fork Blue River built?

It was built in 1955, making it 70 years old in 2025.

What condition is S Main ST over W Fork Blue River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

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

About 12,770 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is S Main ST over W Fork Blue River?

The structure is 162 ft (49.3 m) long with a longest span of 80 ft (24.3 m) and a deck 42 ft wide.

Who owns S Main ST over W Fork Blue River?

It is owned by the County Highway Agency.