US Bridges

St. Charles Road over E. Br. Dupage River

Fair

DuPage County, Illinois · 1.0M W of Ill 53 · Structure no. 022006800000000

Built
1933
92 years old, rebuilt 1981
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
22,700
2024 count
Owner
County
County Highway Agency

About this bridge

St. Charles Road over E. Br. Dupage River is a prestressed concrete stringer/multi-beam or girder carrying St. Charles Road over E. Br. Dupage River in DuPage County, Illinois. It was built in 1933 and reconstructed in 1981, so it is 92 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 22,700 vehicles a day, roughly 4% of them trucks, projected to reach 15,251 by 2046. The structure is 54 ft (16.5 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSt. Charles Road
CrossesE. Br. Dupage River
Location1.0M W of Ill 53
CountyDuPage County
StateIllinois
Coordinates41.89028, -88.05162
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span53 ft (16.2 m)
Deck width77 ft (23.5 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,700 (2024)
Projected traffic15,251 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 St. Charles Road over E. Br. Dupage River built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1981.

What condition is St. Charles Road over E. Br. Dupage 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 September 2024.

How much traffic does St. Charles Road over E. Br. Dupage River carry?

About 22,700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is St. Charles Road over E. Br. Dupage River?

The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.2 m) and a deck 77 ft wide.

Who owns St. Charles Road over E. Br. Dupage River?

It is owned by the County Highway Agency.