US Bridges

US 51 (nb)(fap 322 over Ten Mile Creek

Fair

De Witt County, Illinois · 2.0 MI N of Clinton · Structure no. 020200600000000

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
10,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 (nb)(fap 322 over Ten Mile Creek is a concrete continuous culvert carrying US 51 (nb)(fap 322 over Ten Mile Creek in De Witt County, Illinois. It was built in 1986, so it is 39 years old, younger 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 10,300 vehicles a day, roughly 13% of them trucks, projected to reach 4,722 by 2046. The structure is 52 ft (15.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 51 (nb)(fap 322
CrossesTen Mile Creek
Location2.0 MI N of Clinton
RouteU.S. Route 51
CountyDe Witt County
StateIllinois
Coordinates40.18992, -88.96055
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span13 ft (3.9 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2023)
Projected traffic4,722 by 2046
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 51 (nb)(fap 322 over Ten Mile Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 51 (nb)(fap 322 over Ten Mile Creek 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 September 2024.

How much traffic does US 51 (nb)(fap 322 over Ten Mile Creek carry?

About 10,300 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 51 (nb)(fap 322 over Ten Mile Creek?

The structure is 52 ft (15.8 m) long with a longest span of 13 ft (3.9 m) and a deck 41 ft wide.

Who owns US 51 (nb)(fap 322 over Ten Mile Creek?

It is owned by the State Highway Agency.