US Bridges

86th Avenue over Il 7 (w Hwy)

Fair

Cook County, Illinois · 1 M SW Il 83 · Structure no. 016263500000000

Built
1994
31 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

86th Avenue over Il 7 (w Hwy) is a steel stringer/multi-beam or girder carrying 86th Avenue over Il 7 (w Hwy) in Cook County, Illinois. It was built in 1994, so it is 31 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 2,200 vehicles a day, roughly 3% of them trucks, projected to reach 2,778 by 2046. The structure is 82 ft (25 m) long and 37 ft wide.

Location

Open in Google Maps
Carries86th Avenue
CrossesIl 7 (w Hwy)
Location1 M SW Il 83
CountyCook County
StateIllinois
Coordinates41.66631, -87.83039
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating91.1 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length82 ft (25 m)
Longest span80 ft (24.5 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,778 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 86th Avenue over Il 7 (w Hwy) built?

It was built in 1994, making it 31 years old in 2025.

What condition is 86th Avenue over Il 7 (w Hwy) 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 January 2023.

How much traffic does 86th Avenue over Il 7 (w Hwy) carry?

About 2,200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 86th Avenue over Il 7 (w Hwy)?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.5 m) and a deck 37 ft wide.

Who owns 86th Avenue over Il 7 (w Hwy)?

It is owned by the State Highway Agency.