US Bridges

103rd ST over I- 57

Fair

Cook County, Illinois · 0.9 M SW Il 1 · Structure no. 016212700000000

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
3 main spans
Daily traffic
10,250
2022 count
Owner
State
State Highway Agency

About this bridge

103rd ST over I- 57 is a steel continuous stringer/multi-beam or girder carrying 103rd ST over I- 57 in Cook County, Illinois. It was built in 1963 and reconstructed in 2009, so it is 62 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 10,250 vehicles a day, roughly 9% of them trucks, projected to reach 10,656 by 2046. The structure is 169 ft (51.5 m) long and 67 ft wide.

Carries103rd ST
CrossesI- 57
Location0.9 M SW Il 1
Coordinates41.70683, -87.65311
Functional classUrban Minor 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 inspectionNovember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span62 ft (18.9 m)
Deck width67 ft (20.4 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,250 (2022)
Projected traffic10,656 by 2046
Trucks9%
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$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 103rd ST over I- 57 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is 103rd ST over I- 57 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 November 2023.

How much traffic does 103rd ST over I- 57 carry?

About 10,250 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 103rd ST over I- 57?

The structure is 169 ft (51.5 m) long with a longest span of 62 ft (18.9 m) and a deck 67 ft wide.

Who owns 103rd ST over I- 57?

It is owned by the State Highway Agency.