US Bridges

Oak Park Ave over Tinley Creek

Fair

Cook County, Illinois · 0.1 M S of 143rd ST · Structure no. 016271100000000

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
11,400
2022 count
Owner
State
State Highway Agency

About this bridge

Oak Park Ave over Tinley Creek is a prestressed concrete box beam or girders - multiple carrying Oak Park Ave over Tinley Creek in Cook County, Illinois. It was built in 1999, so it is 26 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 11,400 vehicles a day, roughly 4% of them trucks, projected to reach 13,332 by 2046. The structure is 62 ft (18.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesOak Park Ave
CrossesTinley Creek
Location0.1 M S of 143rd ST
CountyCook County
StateIllinois
Coordinates41.63056, -87.78499
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span58 ft (17.6 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2022)
Projected traffic13,332 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Oak Park Ave over Tinley Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Oak Park Ave over Tinley 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 July 2024.

How much traffic does Oak Park Ave over Tinley Creek carry?

About 11,400 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Oak Park Ave over Tinley Creek?

The structure is 62 ft (18.8 m) long with a longest span of 58 ft (17.6 m) and a deck 36 ft wide.

Who owns Oak Park Ave over Tinley Creek?

It is owned by the State Highway Agency.