US Bridges

Wentworth Ave over I- 55 Stevenson

Fair

Cook County, Illinois · 0.6 M E I94 · Structure no. 016104900000000

Built
1964
61 years old, rebuilt 2003
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
4 main spans
Daily traffic
6,700
2022 count
Owner
State
State Highway Agency

About this bridge

Wentworth Ave over I- 55 Stevenson is a steel continuous stringer/multi-beam or girder carrying Wentworth Ave over I- 55 Stevenson in Cook County, Illinois. It was built in 1964 and reconstructed in 2003, 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 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 6,700 vehicles a day, roughly 10% of them trucks, projected to reach 2,374 by 2046. The structure is 231 ft (70.4 m) long and 68 ft wide.

Location

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CarriesWentworth Ave
CrossesI- 55 Stevenson
Location0.6 M E I94
CountyCook County
StateIllinois
Coordinates41.84736, -87.63215
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating98.2 US tons
Inventory rating72.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span74 ft (22.7 m)
Deck width68 ft (20.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2022)
Projected traffic2,374 by 2046
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wentworth Ave over I- 55 Stevenson built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2003.

What condition is Wentworth Ave over I- 55 Stevenson 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 October 2024.

How much traffic does Wentworth Ave over I- 55 Stevenson carry?

About 6,700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Wentworth Ave over I- 55 Stevenson?

The structure is 231 ft (70.4 m) long with a longest span of 74 ft (22.7 m) and a deck 68 ft wide.

Who owns Wentworth Ave over I- 55 Stevenson?

It is owned by the State Highway Agency.