US Bridges

I-94 (tri State) over W.F.N. Br. Chi. Riv

Fair

Lake County, Illinois · 1.3M S of Ill 22 · Structure no. 049995000000000

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
82,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-94 (tri State) over W.F.N. Br. Chi. Riv is a concrete culvert carrying I-94 (tri State) over W.F.N. Br. Chi. Riv in Lake County, Illinois. It was built in 1958, so it is 67 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 6 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 82,800 vehicles a day, roughly 21% of them trucks, projected to reach 68,327 by 2046. The structure is 34 ft (10.4 m) long and 116 ft wide.

Location

Open in Google Maps
CarriesI-94 (tri State)
CrossesW.F.N. Br. Chi. Riv
Location1.3M S of Ill 22
RouteInterstate 94
CountyLake County
StateIllinois
Coordinates42.18461, -87.87746
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width116 ft (35.4 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,800 (2022)
Projected traffic68,327 by 2046
Trucks21%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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-94 (tri State) over W.F.N. Br. Chi. Riv built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-94 (tri State) over W.F.N. Br. Chi. Riv 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 June 2023.

How much traffic does I-94 (tri State) over W.F.N. Br. Chi. Riv carry?

About 82,800 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is I-94 (tri State) over W.F.N. Br. Chi. Riv?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 116 ft wide.

Who owns I-94 (tri State) over W.F.N. Br. Chi. Riv?

It is owned by the State Toll Authority.