US Bridges

SB 41 to Randolph over Land

Poor

Cook County, Illinois · 500E & 150N. · Structure no. 016649500000000

Built
1986
39 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
325 ft
2 main spans
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

SB 41 to Randolph over Land is a steel continuous stringer/multi-beam or girder carrying SB 41 to Randolph over 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 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 1,000 vehicles a day, roughly 38% of them trucks, projected to reach 1,111 by 2046. The structure is 325 ft (99 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB 41 to Randolph
CrossesLand
Location500E & 150N.
Coordinates41.88592, -87.61424
Functional classUrban Other Principal Arterial

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
Deck4 PoorAdvanced section loss, deterioration, 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 inspectionOctober 2024
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 rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length325 ft (99 m)
Longest span112 ft (34 m)
Deck width25 ft (7.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,111 by 2046
Trucks38%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 41 to Randolph over Land built?

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

What condition is SB 41 to Randolph over Land 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 October 2024.

How much traffic does SB 41 to Randolph over Land carry?

About 1,000 vehicles per day (2024 count), of which roughly 38% are trucks.

How long is SB 41 to Randolph over Land?

The structure is 325 ft (99 m) long with a longest span of 112 ft (34 m) and a deck 25 ft wide.

Who owns SB 41 to Randolph over Land?

It is owned by the City or Municipal Highway Agency.