US Bridges

Il 56 over Il 38

Fair

DuPage County, Illinois · 0.1 M E Il 83 · Structure no. 022011400000000

Built
1965
60 years old, rebuilt 1985
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
4 main spans
Daily traffic
21,100
2023 count
Owner
State
State Highway Agency

About this bridge

Il 56 over Il 38 is a prestressed concrete stringer/multi-beam or girder carrying Il 56 over Il 38 in DuPage County, Illinois. It was built in 1965 and reconstructed in 1985, so it is 60 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 21,100 vehicles a day, roughly 4% of them trucks, projected to reach 14,342 by 2046. The structure is 191 ft (58.1 m) long and 64 ft wide.

CarriesIl 56
CrossesIl 38
Location0.1 M E Il 83
RouteState Highway 56
Coordinates41.86094, -87.95387
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating65.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length191 ft (58.1 m)
Longest span56 ft (17.1 m)
Deck width64 ft (19.5 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,100 (2023)
Projected traffic14,342 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 56 over Il 38 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1985.

What condition is Il 56 over Il 38 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 June 2023.

How much traffic does Il 56 over Il 38 carry?

About 21,100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 56 over Il 38?

The structure is 191 ft (58.1 m) long with a longest span of 56 ft (17.1 m) and a deck 64 ft wide.

Who owns Il 56 over Il 38?

It is owned by the State Highway Agency.