US Bridges

Stoney Island NB over 103rd ST

Fair

Cook County, Illinois · At 103rd ST · Structure no. 016244100000000

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
135 ft
1 main span
Daily traffic
52,500
2023 count
Owner
State
State Highway Agency

About this bridge

Stoney Island NB over 103rd ST is a steel box beam or girders - single or spread carrying Stoney Island NB over 103rd ST in Cook County, Illinois. It was built in 1970, so it is 55 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 6 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 52,500 vehicles a day, roughly 3% of them trucks, projected to reach 26,500 by 2046. The structure is 135 ft (41.1 m) long and 49 ft wide.

CarriesStoney Island NB
Crosses103rd ST
LocationAt 103rd ST
Coordinates41.70779, -87.58605
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating70 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span130 ft (39.6 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,500 (2023)
Projected traffic26,500 by 2046
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stoney Island NB over 103rd ST built?

It was built in 1970, making it 55 years old in 2025.

What condition is Stoney Island NB over 103rd 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 November 2024.

How much traffic does Stoney Island NB over 103rd ST carry?

About 52,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stoney Island NB over 103rd ST?

The structure is 135 ft (41.1 m) long with a longest span of 130 ft (39.6 m) and a deck 49 ft wide.

Who owns Stoney Island NB over 103rd ST?

It is owned by the State Highway Agency.