US Bridges

TR 117 over Crooked Creek

Fair

McLean County, Illinois · 1.MI SW Pleasanthill · Structure no. 057491400000000

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
225
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 117 over Crooked Creek is a concrete continuous slab carrying TR 117 over Crooked Creek in McLean 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 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 225 vehicles a day, roughly 30% of them trucks, projected to reach 227 by 2046. The structure is 91 ft (27.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 117
CrossesCrooked Creek
Location1.MI SW Pleasanthill
RouteCounty Highway 0
Coordinates40.60328, -88.7696
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length91 ft (27.7 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2024)
Projected traffic227 by 2046
Trucks30%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 117 over Crooked Creek built?

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

What condition is TR 117 over Crooked 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 March 2024.

How much traffic does TR 117 over Crooked Creek carry?

About 225 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is TR 117 over Crooked Creek?

The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns TR 117 over Crooked Creek?

It is owned by the Town or Township Highway Agency.