US Bridges

Il 54 (fap 71) over Coon Creek

Good

De Witt County, Illinois · 2 MI NE Clinton · Structure no. 020201400000000

Built
2011
14 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete Continuous
Length
43 ft
2 main spans
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 54 (fap 71) over Coon Creek is a concrete continuous culvert carrying Il 54 (fap 71) over Coon Creek in De Witt County, Illinois. It was built in 2011, so it is 14 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 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 1,650 vehicles a day, roughly 14% of them trucks, projected to reach 1,768 by 2046. The structure is 43 ft (13 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 54 (fap 71)
CrossesCoon Creek
Location2 MI NE Clinton
RouteState Highway 54
Coordinates40.16475, -88.91137
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 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 rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length43 ft (13 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,768 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 54 (fap 71) over Coon Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Il 54 (fap 71) over Coon Creek 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 2021.

How much traffic does Il 54 (fap 71) over Coon Creek carry?

About 1,650 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Il 54 (fap 71) over Coon Creek?

The structure is 43 ft (13 m) long with a longest span of 21 ft (6.4 m).

Who owns Il 54 (fap 71) over Coon Creek?

It is owned by the State Highway Agency.