US Bridges

NB 41 from Randolp over Land

Fair

Cook County, Illinois · 500E.& 150N. · Structure no. 016649400000000

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
335 ft
2 main spans
Daily traffic
8,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB 41 from Randolp over Land is a steel continuous stringer/multi-beam or girder carrying NB 41 from Randolp 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 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 8,300 vehicles a day, roughly 2% of them trucks, projected to reach 7,070 by 2046. The structure is 335 ft (102.1 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB 41 from Randolp
CrossesLand
Location500E.& 150N.
Coordinates41.88514, -87.61381
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length335 ft (102.1 m)
Longest span111 ft (33.7 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2024)
Projected traffic7,070 by 2046
Trucks2%
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 NB 41 from Randolp over Land built?

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

What condition is NB 41 from Randolp over 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 October 2024.

How much traffic does NB 41 from Randolp over Land carry?

About 8,300 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is NB 41 from Randolp over Land?

The structure is 335 ft (102.1 m) long with a longest span of 111 ft (33.7 m) and a deck 22 ft wide.

Who owns NB 41 from Randolp over Land?

It is owned by the City or Municipal Highway Agency.