US Bridges

Eagle Lake Road over Plum Creek

Fair

Will County, Illinois · 1.8 MI W.Il 1 · Structure no. 099500300000000

Built
1917
108 years old, rebuilt 1985
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
225
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Eagle Lake Road over Plum Creek is a prestressed concrete box beam or girders - multiple carrying Eagle Lake Road over Plum Creek in Will County, Illinois. It was built in 1917 and reconstructed in 1985, so it is 108 years old, older 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 44 ft (13.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEagle Lake Road
CrossesPlum Creek
Location1.8 MI W.Il 1
Coordinates41.36955, -87.65522
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 protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span41 ft (12.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 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 closed3.1 mi (5 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 Road over Plum Creek built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1985.

What condition is Eagle Lake Road over Plum 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 April 2023.

How much traffic does Eagle Lake Road over Plum Creek carry?

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

How long is Eagle Lake Road over Plum Creek?

The structure is 44 ft (13.3 m) long with a longest span of 41 ft (12.4 m) and a deck 30 ft wide.

Who owns Eagle Lake Road over Plum Creek?

It is owned by the Town or Township Highway Agency.