US Bridges

Thorton/Vincennes over I- 80 294

Fair

Cook County, Illinois · 1.2 M E Il 1 · Structure no. 016062200000000

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
254 ft
4 main spans
Daily traffic
7,200
2023 count
Owner
State
State Highway Agency

About this bridge

Thorton/Vincennes over I- 80 294 is a prestressed concrete stringer/multi-beam or girder carrying Thorton/Vincennes over I- 80 294 in Cook 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 7,200 vehicles a day, roughly 8% of them trucks, projected to reach 6,666 by 2046. The structure is 254 ft (77.4 m) long and 70 ft wide.

Location

Open in Google Maps
CarriesThorton/Vincennes
CrossesI- 80 294
Location1.2 M E Il 1
CountyCook County
StateIllinois
Coordinates41.5794, -87.61383
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span70 ft (21.3 m)
Deck width70 ft (21.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic6,666 by 2046
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Thorton/Vincennes over I- 80 294 built?

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

What condition is Thorton/Vincennes over I- 80 294 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 April 2024.

How much traffic does Thorton/Vincennes over I- 80 294 carry?

About 7,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Thorton/Vincennes over I- 80 294?

The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 70 ft wide.

Who owns Thorton/Vincennes over I- 80 294?

It is owned by the State Highway Agency.