US Bridges

TR-147 over Crooked Creek

Good

Clay County, Illinois · 2 MI NW Louisville · Structure no. 013321100000000

Built
1994
31 years old
Condition
Good
inspected January 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-147 over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying TR-147 over Crooked Creek in Clay County, Illinois. It was built in 1994, so it is 31 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 175 vehicles a day, roughly 4% of them trucks, projected to reach 177 by 2046. The structure is 252 ft (76.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR-147
CrossesCrooked Creek
Location2 MI NW Louisville
RouteCounty Highway 0
Coordinates38.79053, -88.53558
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length252 ft (76.7 m)
Longest span68 ft (20.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic177 by 2046
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-147 over Crooked Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR-147 over Crooked 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 January 2021.

How much traffic does TR-147 over Crooked Creek carry?

About 175 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is TR-147 over Crooked Creek?

The structure is 252 ft (76.7 m) long with a longest span of 68 ft (20.7 m) and a deck 24 ft wide.

Who owns TR-147 over Crooked Creek?

It is owned by the Town or Township Highway Agency.