US Bridges

I-74(WB) over Salt Fork River

Fair

Champaign County, Illinois · W Edge of ST Joseph · Structure no. 010003000000000

Built
1959
66 years old, rebuilt 1993
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
14,150
2023 count
Owner
State
State Highway Agency

About this bridge

I-74(WB) over Salt Fork River is a prestressed concrete stringer/multi-beam or girder carrying I-74(WB) over Salt Fork River in Champaign County, Illinois. It was built in 1959 and reconstructed in 1993, 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 14,150 vehicles a day, roughly 30% of them trucks, projected to reach 14,494 by 2046. The structure is 164 ft (50.1 m) long and 42 ft wide.

CarriesI-74(WB)
CrossesSalt Fork River
LocationW Edge of ST Joseph
RouteInterstate 74
Coordinates40.12034, -88.05246
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50.1 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,150 (2023)
Projected traffic14,494 by 2046
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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(WB) over Salt Fork River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is I-74(WB) over Salt Fork 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 August 2024.

How much traffic does I-74(WB) over Salt Fork River carry?

About 14,150 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I-74(WB) over Salt Fork River?

The structure is 164 ft (50.1 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns I-74(WB) over Salt Fork River?

It is owned by the State Highway Agency.