US Bridges

State St. over Third Creek

Fair

Cook County, Illinois · 0.7M.S.OF US-30 · Structure no. 016322400000000

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
3,450
2022 count
Owner
County
County Highway Agency

About this bridge

State St. over Third Creek is a concrete culvert carrying State St. over Third Creek in Cook County, Illinois. It was built in 1987, so it is 38 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 6 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 3,450 vehicles a day, roughly 17% of them trucks, projected to reach 4,646 by 2046. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState St.
CrossesThird Creek
Location0.7M.S.OF US-30
Coordinates41.49586, -87.61619
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2022)
Projected traffic4,646 by 2046
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State St. over Third Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is State St. over Third Creek 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 2023.

How much traffic does State St. over Third Creek carry?

About 3,450 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is State St. over Third Creek?

The structure is 28 ft (8.4 m) long with a longest span of 14 ft (4.4 m).

Who owns State St. over Third Creek?

It is owned by the County Highway Agency.