US Bridges

Weber Rd. over Lilly Cache Creek

Fair

Will County, Illinois · 1.6M.N.OF I-55 · Structure no. 099333300000000

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
31,400
2023 count
Owner
County
County Highway Agency

About this bridge

Weber Rd. over Lilly Cache Creek is a concrete culvert carrying Weber Rd. over Lilly Cache Creek in Will County, Illinois. It was built in 1988, so it is 37 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 31,400 vehicles a day, roughly 4% of them trucks, projected to reach 48,672 by 2046. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWeber Rd.
CrossesLilly Cache Creek
Location1.6M.N.OF I-55
Coordinates41.67982, -88.1257
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,400 (2023)
Projected traffic48,672 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Weber Rd. over Lilly Cache Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Weber Rd. over Lilly Cache 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 May 2023.

How much traffic does Weber Rd. over Lilly Cache Creek carry?

About 31,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Weber Rd. over Lilly Cache Creek?

The structure is 32 ft (9.9 m) long with a longest span of 10 ft (3 m).

Who owns Weber Rd. over Lilly Cache Creek?

It is owned by the County Highway Agency.