US Bridges

Wilson Ave over C&nw RR

Fair

DuPage County, Illinois · S.Of Main St. · Structure no. 022710100000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
430 ft
5 main spans
Daily traffic
3,700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilson Ave over C&nw RR is a steel continuous stringer/multi-beam or girder carrying Wilson Ave over C&nw RR in DuPage County, Illinois. It was built in 1987, so it is 38 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 3,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,424 by 2046. The structure is 430 ft (131.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWilson Ave
CrossesC&nw RR
LocationS.Of Main St.
RouteCity Street 0
CountyDuPage County
StateIllinois
Coordinates41.88155, -88.19964
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20 + Mod
Structure length430 ft (131.1 m)
Longest span95 ft (29 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2024)
Projected traffic2,424 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilson Ave over C&nw RR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Wilson Ave over C&nw RR 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 September 2024.

How much traffic does Wilson Ave over C&nw RR carry?

About 3,700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Wilson Ave over C&nw RR?

The structure is 430 ft (131.1 m) long with a longest span of 95 ft (29 m) and a deck 44 ft wide.

Who owns Wilson Ave over C&nw RR?

It is owned by the City or Municipal Highway Agency.