US Bridges

Harlem Ave over Forked Creek

Good

Will County, Illinois · 1.1 MI N Man Monee R · Structure no. 099465700000000

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
2,650
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harlem Ave over Forked Creek is a concrete culvert carrying Harlem Ave over Forked Creek in Will County, Illinois. It was built in 1986, so it is 39 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 2,650 vehicles a day, roughly 4% of them trucks, projected to reach 3,096 by 2046. The structure is 20 ft (6.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHarlem Ave
CrossesForked Creek
Location1.1 MI N Man Monee R
Coordinates41.44264, -87.78694
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span9 ft (2.7 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,096 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Harlem Ave over Forked Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Harlem 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 2023.

How much traffic does Harlem Ave over Forked Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Harlem Ave over Forked Creek?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.7 m) and a deck 32 ft wide.

Who owns Harlem Ave over Forked Creek?

It is owned by the City or Municipal Highway Agency.