US Bridges

Il 56 over E Br Dupage River

Fair

DuPage County, Illinois · 0.34 M E Il 53 · Structure no. 022005700000000

Built
1973
52 years old, rebuilt 2025
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
33,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 56 over E Br Dupage River is a steel stringer/multi-beam or girder carrying Il 56 over E Br Dupage River in DuPage County, Illinois. It was built in 1973 and reconstructed in 2025, so it is 52 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 5 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 33,000 vehicles a day, roughly 2% of them trucks, projected to reach 15,504 by 2046. The structure is 70 ft (21.4 m) long and 97 ft wide.

Location

Open in Google Maps
CarriesIl 56
CrossesE Br Dupage River
Location0.34 M E Il 53
RouteState Highway 56
CountyDuPage County
StateIllinois
Coordinates41.83154, -88.04789
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating62.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span65 ft (19.8 m)
Deck width97 ft (29.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2023)
Projected traffic15,504 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 56 over E Br Dupage River built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2025.

What condition is Il 56 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 August 2024.

How much traffic does Il 56 over E Br Dupage River carry?

About 33,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Il 56 over E Br Dupage River?

The structure is 70 ft (21.4 m) long with a longest span of 65 ft (19.8 m) and a deck 97 ft wide.

Who owns Il 56 over E Br Dupage River?

It is owned by the State Highway Agency.