US Bridges

I-74 (eb) over Stony Creek

Fair

Vermilion County, Illinois · 1 MI NE Fithian · Structure no. 092000100000000

Built
1959
66 years old, rebuilt 1989
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
12,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-74 (eb) over Stony Creek is a prestressed concrete stringer/multi-beam or girder carrying I-74 (eb) over Stony Creek in Vermilion County, Illinois. It was built in 1959 and reconstructed in 1989, so it is 66 years old, older than the Illinois average of 45.3 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 12,600 vehicles a day, roughly 34% of them trucks, projected to reach 13,332 by 2046. The structure is 155 ft (47.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-74 (eb)
CrossesStony Creek
Location1 MI NE Fithian
RouteInterstate 74
Coordinates40.12428, -87.85734
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.7 US tons
Inventory rating58.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length155 ft (47.1 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2023)
Projected traffic13,332 by 2046
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-74 (eb) over Stony Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.

What condition is I-74 (eb) over Stony 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 February 2024.

How much traffic does I-74 (eb) over Stony Creek carry?

About 12,600 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is I-74 (eb) over Stony Creek?

The structure is 155 ft (47.1 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns I-74 (eb) over Stony Creek?

It is owned by the State Highway Agency.