US Bridges

Clark ST over Land

Good

Cook County, Illinois · 100W.& 1100S. · Structure no. 016612700000000

Built
1921
104 years old, rebuilt 2005
Condition
Good
inspected June 2021
Type
Slab
Concrete Continuous
Length
298 ft
6 main spans
Daily traffic
3,950
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clark ST over Land is a concrete continuous slab carrying Clark ST over Land in Cook County, Illinois. It was built in 1921 and reconstructed in 2005, so it is 104 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,950 vehicles a day, roughly 9% of them trucks, projected to reach 5,606 by 2046. The structure is 298 ft (90.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClark ST
CrossesLand
Location100W.& 1100S.
Coordinates41.86832, -87.63045
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length298 ft (90.9 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,950 (2022)
Projected traffic5,606 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clark ST over Land built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2005.

What condition is Clark ST over Land in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2021.

How much traffic does Clark ST over Land carry?

About 3,950 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Clark ST over Land?

The structure is 298 ft (90.9 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Clark ST over Land?

It is owned by the City or Municipal Highway Agency.