US Bridges

Eagle Lake Rd. over Black Walnut Cr.(w)

Fair

Will County, Illinois · 1.9 M E of Il 50 · Structure no. 099495500000000

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
225
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Eagle Lake Rd. over Black Walnut Cr.(w) is a prestressed concrete box beam or girders - multiple carrying Eagle Lake Rd. over Black Walnut Cr.(w) in Will County, Illinois. It was built in 1990, so it is 35 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 225 vehicles a day, roughly 4% of them trucks, projected to reach 612 by 2046. The structure is 39 ft (11.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEagle Lake Rd.
CrossesBlack Walnut Cr.(w)
Location1.9 M E of Il 50
Coordinates41.36898, -87.73431
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span37 ft (11.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic612 by 2046
Trucks4%
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

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 Eagle Lake Rd. over Black Walnut Cr.(w) built?

It was built in 1990, making it 35 years old in 2025.

What condition is Eagle Lake Rd. over Black Walnut Cr.(w) 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 April 2023.

How much traffic does Eagle Lake Rd. over Black Walnut Cr.(w) carry?

About 225 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Eagle Lake Rd. over Black Walnut Cr.(w)?

The structure is 39 ft (11.8 m) long with a longest span of 37 ft (11.4 m) and a deck 24 ft wide.

Who owns Eagle Lake Rd. over Black Walnut Cr.(w)?

It is owned by the Town or Township Highway Agency.