US Bridges

Ch 7 (fas 546) over Drainage Ditch

Good

De Witt County, Illinois · 1.5 MI S of Kenny · Structure no. 020500300000000

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 7 (fas 546) over Drainage Ditch is a concrete culvert carrying Ch 7 (fas 546) over Drainage Ditch in De Witt County, Illinois. It was built in 1965, 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 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 404 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCh 7 (fas 546)
CrossesDrainage Ditch
Location1.5 MI S of Kenny
RouteCounty Highway 0
CountyDe Witt County
StateIllinois
Coordinates40.07148, -89.08594
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic404 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Ch 7 (fas 546) over Drainage Ditch built?

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

What condition is Ch 7 (fas 546) over Drainage 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 February 2024.

How much traffic does Ch 7 (fas 546) over Drainage Ditch carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ch 7 (fas 546) over Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m).

Who owns Ch 7 (fas 546) over Drainage Ditch?

It is owned by the County Highway Agency.