US Bridges

Sb-Lsd over Randolph ST & Land

Fair

Cook County, Illinois · 500E.& 340N.TO 130N. · Structure no. 016649300000000

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,372 ft
12 main spans
Daily traffic
102,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sb-Lsd over Randolph ST & Land is a steel continuous stringer/multi-beam or girder carrying Sb-Lsd over Randolph ST & Land in Cook County, Illinois. It was built in 1986, so it is 39 years old, younger 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 102,000 vehicles a day, roughly 1% of them trucks, projected to reach 49,288 by 2046. The structure is 1,372 ft (418.1 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSb-Lsd
CrossesRandolph ST & Land
Location500E.& 340N.TO 130N.
RouteU.S. Route 41
CountyCook County
StateIllinois
Coordinates41.88748, -87.61413
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12 (+3 approach)
Design loadHS 20
Structure length1,372 ft (418.1 m)
Longest span141 ft (43.1 m)
Deck width65 ft (19.7 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,000 (2024)
Projected traffic49,288 by 2046
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sb-Lsd over Randolph ST & Land built?

It was built in 1986, making it 39 years old in 2025.

What condition is Sb-Lsd over Randolph ST & Land 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 June 2023.

How much traffic does Sb-Lsd over Randolph ST & Land carry?

About 102,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Sb-Lsd over Randolph ST & Land?

The structure is 1,372 ft (418.1 m) long with a longest span of 141 ft (43.1 m) and a deck 65 ft wide.

Who owns Sb-Lsd over Randolph ST & Land?

It is owned by the City or Municipal Highway Agency.