US Bridges

80th Ave over Forked Creek

Good

Will County, Illinois · 0.75 MI N.Manhattan- · Structure no. 099463200000000

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
750
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

80th Ave over Forked Creek is a concrete culvert carrying 80th Ave over Forked Creek in Will County, Illinois. It was built in 1997, so it is 28 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 750 vehicles a day, roughly 9% of them trucks, projected to reach 828 by 2046. The structure is 22 ft (6.6 m) long and 31 ft wide.

Carries80th Ave
CrossesForked Creek
Location0.75 MI N.Manhattan-
RouteCounty Highway 0
Coordinates41.43216, -87.80615
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic828 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 80th Ave over Forked Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 80th Ave over Forked Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does 80th Ave over Forked Creek carry?

About 750 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is 80th Ave over Forked Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m) and a deck 31 ft wide.

Who owns 80th Ave over Forked Creek?

It is owned by the Town or Township Highway Agency.