US Bridges

I-80 over Drainage Ditch

Fair

Henry County, Illinois · 1.55 MI E JCT Ill 78 · Structure no. 037200500000000

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
17,900
2021 count
Owner
State
State Highway Agency

About this bridge

I-80 over Drainage Ditch is a concrete culvert carrying I-80 over Drainage Ditch in Henry County, Illinois. It was built in 1962, so it is 63 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 17,900 vehicles a day, roughly 13% of them trucks, projected to reach 19,332 by 2046. The structure is 26 ft (8 m) long and 145 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-80
CrossesDrainage Ditch
Location1.55 MI E JCT Ill 78
RouteInterstate 80
CountyHenry County
StateIllinois
Coordinates41.39876, -89.88029
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span13 ft (3.9 m)
Deck width145 ft (44.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2021)
Projected traffic19,332 by 2046
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-80 over Drainage Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-80 over Drainage Ditch 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 I-80 over Drainage Ditch carry?

About 17,900 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I-80 over Drainage Ditch?

The structure is 26 ft (8 m) long with a longest span of 13 ft (3.9 m) and a deck 145 ft wide.

Who owns I-80 over Drainage Ditch?

It is owned by the State Highway Agency.