US Bridges

I- 57 SB over Little Cal Riv Broad

Poor

Cook County, Illinois · 0.75 M S 127th · Structure no. 016006200000000

Built
1967
58 years old, rebuilt 2002
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,652 ft
20 main spans
Daily traffic
54,850
2024 count
Owner
State
State Highway Agency

About this bridge

I- 57 SB over Little Cal Riv Broad is a steel continuous stringer/multi-beam or girder carrying I- 57 SB over Little Cal Riv Broad in Cook County, Illinois. It was built in 1967 and reconstructed in 2002, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 54,850 vehicles a day, roughly 6% of them trucks, projected to reach 53,934 by 2046. The structure is 1,652 ft (503.5 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI- 57 SB
CrossesLittle Cal Riv Broad
Location0.75 M S 127th
RouteInterstate 57
Coordinates41.64866, -87.66116
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20 + Mod
Structure length1,652 ft (503.5 m)
Longest span120 ft (36.6 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,850 (2024)
Projected traffic53,934 by 2046
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$10.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I- 57 SB over Little Cal Riv Broad built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2002.

What condition is I- 57 SB over Little Cal Riv Broad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does I- 57 SB over Little Cal Riv Broad carry?

About 54,850 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is I- 57 SB over Little Cal Riv Broad?

The structure is 1,652 ft (503.5 m) long with a longest span of 120 ft (36.6 m) and a deck 59 ft wide.

Who owns I- 57 SB over Little Cal Riv Broad?

It is owned by the State Highway Agency.