US Bridges

I-74 EB over Graham Creek

Fair

Fountain County, Indiana · 01.55 W US 136 · Structure no. 043870

Built
1959
66 years old, rebuilt 1999
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
16,452
2021 count
Owner
State
State Highway Agency

About this bridge

I-74 EB over Graham Creek is a concrete continuous slab carrying I-74 EB over Graham Creek in Fountain County, Indiana. It was built in 1959 and reconstructed in 1999, so it is 66 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 16,452 vehicles a day, roughly 43% of them trucks, projected to reach 15,658 by 2030. The structure is 92 ft (28 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-74 EB
CrossesGraham Creek
Location01.55 W US 136
RouteInterstate 74
CountyFountain County
StateIndiana
Coordinates40.12174, -87.34874
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span36 ft (10.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,452 (2021)
Projected traffic15,658 by 2030
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-74 EB over Graham Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1999.

What condition is I-74 EB over Graham Creek 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 EB over Graham Creek carry?

About 16,452 vehicles per day (2021 count), of which roughly 43% are trucks.

How long is I-74 EB over Graham Creek?

The structure is 92 ft (28 m) long with a longest span of 36 ft (10.9 m) and a deck 43 ft wide.

Who owns I-74 EB over Graham Creek?

It is owned by the State Highway Agency.