US Bridges

I-74 WB over SR 47

Fair

Montgomery County, Indiana · 02.45 E US 231 · Structure no. 044160

Built
1964
61 years old, rebuilt 1990
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
286 ft
5 main spans
Daily traffic
17,525
2022 count
Owner
State
State Highway Agency

About this bridge

I-74 WB over SR 47 is a steel continuous stringer/multi-beam or girder carrying I-74 WB over SR 47 in Montgomery County, Indiana. It was built in 1964 and reconstructed in 1990, so it is 61 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 5 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 17,525 vehicles a day, roughly 41% of them trucks, projected to reach 7,500 by 1988. The structure is 286 ft (87.1 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-74 WB
CrossesSR 47
Location02.45 E US 231
RouteInterstate 74
CountyMontgomery County
StateIndiana
Coordinates40.07, -86.85917
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length286 ft (87.1 m)
Longest span61 ft (18.6 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,525 (2022)
Projected traffic7,500 by 1988
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-74 WB over SR 47 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1990.

What condition is I-74 WB over SR 47 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 September 2024.

How much traffic does I-74 WB over SR 47 carry?

About 17,525 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is I-74 WB over SR 47?

The structure is 286 ft (87.1 m) long with a longest span of 61 ft (18.6 m) and a deck 44 ft wide.

Who owns I-74 WB over SR 47?

It is owned by the State Highway Agency.