US Bridges

State ST over Deer Creek

Fair

Cook County, Illinois · 0.1 M S Main P2 · Structure no. 016308700000000

Built
1953
72 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
57 ft
1 main span
Daily traffic
1,800
2022 count
Owner
County
County Highway Agency

About this bridge

State ST over Deer Creek is a concrete tee beam carrying State ST over Deer Creek in Cook County, Illinois. It was built in 1953, so it is 72 years old, older 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 1,800 vehicles a day, roughly 13% of them trucks, projected to reach 2,475 by 2046. The structure is 57 ft (17.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState ST
CrossesDeer Creek
Location0.1 M S Main P2
Coordinates41.54224, -87.61153
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.5 m)
Longest span52 ft (15.8 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic2,475 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000
NavigationNo navigation control on waterway

Frequently asked questions

When was State ST over Deer Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is State ST over Deer 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 May 2024.

How much traffic does State ST over Deer Creek carry?

About 1,800 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is State ST over Deer Creek?

The structure is 57 ft (17.5 m) long with a longest span of 52 ft (15.8 m) and a deck 36 ft wide.

Who owns State ST over Deer Creek?

It is owned by the County Highway Agency.