US Bridges

Il 56 over Ditch

Good

DuPage County, Illinois · 1 M E of Highland · Structure no. 022052400000000

Built
1974
51 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
41,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 56 over Ditch is a concrete culvert carrying Il 56 over Ditch in DuPage County, Illinois. It was built in 1974, so it is 51 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,000 vehicles a day, roughly 2% of them trucks, projected to reach 40,804 by 2046. The structure is 22 ft (6.6 m) long.

CarriesIl 56
CrossesDitch
Location1 M E of Highland
RouteState Highway 56
Coordinates41.84173, -87.99371
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,000 (2023)
Projected traffic40,804 by 2046
Trucks2%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 56 over Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Il 56 over Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Il 56 over Ditch carry?

About 41,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Il 56 over Ditch?

The structure is 22 ft (6.6 m) long.

Who owns Il 56 over Ditch?

It is owned by the State Highway Agency.