US Bridges

Western Ave over Cal Sg Chnl&rr&brdwy

Fair

Cook County, Illinois · 1.5 M N Il 83 · Structure no. 016077700000000

Built
1966
59 years old, rebuilt 2020
Condition
Fair
inspected March 2024
Type
Truss - Thru
Steel
Length
1,117 ft
1 main span
Daily traffic
5,750
2022 count
Owner
State
State Highway Agency

About this bridge

Western Ave over Cal Sg Chnl&rr&brdwy is a steel truss - thru carrying Western Ave over Cal Sg Chnl&rr&brdwy in Cook County, Illinois. It was built in 1966 and reconstructed in 2020, so it is 59 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 5,750 vehicles a day, roughly 11% of them trucks, projected to reach 7,020 by 2046. The structure is 1,117 ft (340.4 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWestern Ave
CrossesCal Sg Chnl&rr&brdwy
Location1.5 M N Il 83
CountyCook County
StateIllinois
Coordinates41.6529, -87.67989
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20 + Mod
Structure length1,117 ft (340.4 m)
Longest span246 ft (74.9 m)
Deck width68 ft (20.7 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,750 (2022)
Projected traffic7,020 by 2046
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.4 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Western Ave over Cal Sg Chnl&rr&brdwy built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2020.

What condition is Western Ave over Cal Sg Chnl&rr&brdwy 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 March 2024.

How much traffic does Western Ave over Cal Sg Chnl&rr&brdwy carry?

About 5,750 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Western Ave over Cal Sg Chnl&rr&brdwy?

The structure is 1,117 ft (340.4 m) long with a longest span of 246 ft (74.9 m) and a deck 68 ft wide.

Who owns Western Ave over Cal Sg Chnl&rr&brdwy?

It is owned by the State Highway Agency.