US Bridges

Il 16 over Ditch

Good

Christian County, Illinois · 0.28 MI N Mont CO LN · Structure no. 011251300000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 16 over Ditch is a concrete continuous culvert carrying Il 16 over Ditch in Christian County, Illinois. It was built in 2023, so it is 2 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,550 vehicles a day, roughly 15% of them trucks, projected to reach 1,830 by 2046. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesIl 16
CrossesDitch
Location0.28 MI N Mont CO LN
RouteState Highway 16
Coordinates39.35156, -89.2093
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic1,830 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 16 over Ditch built?

It was built in 2023, making it 2 years old in 2025.

What condition is Il 16 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 December 2023.

How much traffic does Il 16 over Ditch carry?

About 1,550 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Il 16 over Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns Il 16 over Ditch?

It is owned by the State Highway Agency.