US Bridges

I-74 (wb) over Vermilion River

Good

Vermilion County, Illinois · S of Danville · Structure no. 092001400000000

Built
1964
61 years old, rebuilt 1991
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
584 ft
5 main spans
Daily traffic
13,600
2021 count
Owner
State
State Highway Agency

About this bridge

I-74 (wb) over Vermilion River is a steel continuous stringer/multi-beam or girder carrying I-74 (wb) over Vermilion River in Vermilion County, Illinois. It was built in 1964 and reconstructed in 1991, so it is 61 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,600 vehicles a day, roughly 30% of them trucks, projected to reach 13,736 by 2046. The structure is 584 ft (177.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-74 (wb)
CrossesVermilion River
LocationS of Danville
RouteInterstate 74
Coordinates40.1107, -87.61658
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20 + Mod
Structure length584 ft (177.9 m)
Longest span126 ft (38.4 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2021)
Projected traffic13,736 by 2046
Trucks30%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-74 (wb) over Vermilion River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is I-74 (wb) over Vermilion River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does I-74 (wb) over Vermilion River carry?

About 13,600 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is I-74 (wb) over Vermilion River?

The structure is 584 ft (177.9 m) long with a longest span of 126 ft (38.4 m) and a deck 44 ft wide.

Who owns I-74 (wb) over Vermilion River?

It is owned by the State Highway Agency.