US Bridges

Clark ST over Parking Area

Fair

Cook County, Illinois · 330 N.& 100 W. · Structure no. 016633700000000

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
87 ft
2 main spans
Daily traffic
6,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clark ST over Parking Area is a steel continuous stringer/multi-beam or girder carrying Clark ST over Parking Area in Cook County, Illinois. It was built in 1982, so it is 43 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 6,800 vehicles a day, roughly 8% of them trucks, projected to reach 15,453 by 2046. The structure is 87 ft (26.4 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClark ST
CrossesParking Area
Location330 N.& 100 W.
Coordinates41.88841, -87.63103
Functional classUrban Collector

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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length87 ft (26.4 m)
Longest span41 ft (12.5 m)
Deck width80 ft (24.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic15,453 by 2046
Trucks8%
Lanes on structure3
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clark ST over Parking Area built?

It was built in 1982, making it 43 years old in 2025.

What condition is Clark ST over Parking Area 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 Clark ST over Parking Area carry?

About 6,800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Clark ST over Parking Area?

The structure is 87 ft (26.4 m) long with a longest span of 41 ft (12.5 m) and a deck 80 ft wide.

Who owns Clark ST over Parking Area?

It is owned by the City or Municipal Highway Agency.