US Bridges

SR 75 over Middle Fk Big Walnut CR

Fair

Hendricks County, Indiana · 00.61 S SR 236 · Structure no. 024835

Built
1972
53 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
582
2021 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Middle Fk Big Walnut CR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 75 over Middle Fk Big Walnut CR in Hendricks County, Indiana. It was built in 1972 and reconstructed in 1995, so it is 53 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 582 vehicles a day, roughly 6% of them trucks, projected to reach 1,494 by 2030. The structure is 134 ft (40.8 m) long and 46 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 75
CrossesMiddle Fk Big Walnut CR
Location00.61 S SR 236
RouteState Highway 75
CountyHendricks County
StateIndiana
Coordinates39.85135, -86.64575
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span43 ft (13.2 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic582 (2021)
Projected traffic1,494 by 2030
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 75 over Middle Fk Big Walnut CR built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1995.

What condition is SR 75 over Middle Fk Big Walnut CR 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 December 2023.

How much traffic does SR 75 over Middle Fk Big Walnut CR carry?

About 582 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR 75 over Middle Fk Big Walnut CR?

The structure is 134 ft (40.8 m) long with a longest span of 43 ft (13.2 m) and a deck 46 ft wide.

Who owns SR 75 over Middle Fk Big Walnut CR?

It is owned by the State Highway Agency.