US Bridges

Western Ave(gregor over Vermont ST

Fair

Cook County, Illinois · Just E Western · Structure no. 016077600000000

Built
1967
58 years old, rebuilt 2008
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
4,850
2022 count
Owner
State
State Highway Agency

About this bridge

Western Ave(gregor over Vermont ST is a prestressed concrete box beam or girders - multiple carrying Western Ave(gregor over Vermont ST in Cook County, Illinois. It was built in 1967 and reconstructed in 2008, so it is 58 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 4,850 vehicles a day, roughly 6% of them trucks, projected to reach 5,151 by 2046. The structure is 81 ft (24.7 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWestern Ave(gregor
CrossesVermont ST
LocationJust E Western
CountyCook County
StateIllinois
Coordinates41.65549, -87.67851
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span78 ft (23.8 m)
Deck width71 ft (21.6 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2022)
Projected traffic5,151 by 2046
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Western Ave(gregor over Vermont ST built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2008.

What condition is Western Ave(gregor over Vermont ST 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 February 2023.

How much traffic does Western Ave(gregor over Vermont ST carry?

About 4,850 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Western Ave(gregor over Vermont ST?

The structure is 81 ft (24.7 m) long with a longest span of 78 ft (23.8 m) and a deck 71 ft wide.

Who owns Western Ave(gregor over Vermont ST?

It is owned by the State Highway Agency.