US Bridges

I- 57 SB over I- 80 EB

Fair

Cook County, Illinois · 3.1 M S US 6 · Structure no. 016005200000000

Built
1964
61 years old, rebuilt 1996
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
4 main spans
Daily traffic
32,200
2024 count
Owner
State
State Highway Agency

About this bridge

I- 57 SB over I- 80 EB is a steel continuous stringer/multi-beam or girder carrying I- 57 SB over I- 80 EB in Cook County, Illinois. It was built in 1964 and reconstructed in 1996, 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 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 32,200 vehicles a day, roughly 7% of them trucks, projected to reach 31,310 by 2046. The structure is 241 ft (73.6 m) long and 64 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI- 57 SB
CrossesI- 80 EB
Location3.1 M S US 6
RouteInterstate 57
CountyCook County
StateIllinois
Coordinates41.56542, -87.74212
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length241 ft (73.6 m)
Longest span78 ft (23.8 m)
Deck width64 ft (19.6 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,200 (2024)
Projected traffic31,310 by 2046
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 I- 57 SB over I- 80 EB built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1996.

What condition is I- 57 SB over I- 80 EB 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 August 2023.

How much traffic does I- 57 SB over I- 80 EB carry?

About 32,200 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I- 57 SB over I- 80 EB?

The structure is 241 ft (73.6 m) long with a longest span of 78 ft (23.8 m) and a deck 64 ft wide.

Who owns I- 57 SB over I- 80 EB?

It is owned by the State Highway Agency.