US Bridges

Wilmot RD over W Fk N Br Chgo River

Fair

Lake County, Illinois · .3 M E 94 1.8 M S 22 · Structure no. 049615100000000

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
2,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilmot RD over W Fk N Br Chgo River is a prestressed concrete box beam or girders - multiple carrying Wilmot RD over W Fk N Br Chgo River in Lake County, Illinois. It was built in 1963 and reconstructed in 2009, so it is 62 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 2,600 vehicles a day, roughly 5% of them trucks, projected to reach 4,141 by 2046. The structure is 34 ft (10.3 m) long and 45 ft wide.

CarriesWilmot RD
CrossesW Fk N Br Chgo River
Location.3 M E 94 1.8 M S 22
Coordinates42.17447, -87.86699
Functional classUrban Collector

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating87.9 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span32 ft (9.7 m)
Deck width45 ft (13.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic4,141 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Wilmot RD over W Fk N Br Chgo River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Wilmot RD over W Fk N Br Chgo River 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 February 2023.

How much traffic does Wilmot RD over W Fk N Br Chgo River carry?

About 2,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Wilmot RD over W Fk N Br Chgo River?

The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.7 m) and a deck 45 ft wide.

Who owns Wilmot RD over W Fk N Br Chgo River?

It is owned by the City or Municipal Highway Agency.