US Bridges

TR 183 over Lake Fork Drain Ditc

Good

Piatt County, Illinois · 3.5 MI NW Atwood · Structure no. 074331400000000

Built
2022
3 years old
Condition
Good
inspected February 2025
Type
Girder and Floorbeam System
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 183 over Lake Fork Drain Ditc is a prestressed concrete girder and floorbeam system carrying TR 183 over Lake Fork Drain Ditc in Piatt County, Illinois. It was built in 2022, so it is 3 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2030. The structure is 171 ft (52.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 183
CrossesLake Fork Drain Ditc
Location3.5 MI NW Atwood
RouteCounty Highway 0
Coordinates39.8574, -88.49601
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length171 ft (52.2 m)
Longest span63 ft (19.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic50 by 2030
Trucks10%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 183 over Lake Fork Drain Ditc built?

It was built in 2022, making it 3 years old in 2025.

What condition is TR 183 over Lake Fork Drain Ditc 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 February 2025.

How much traffic does TR 183 over Lake Fork Drain Ditc carry?

About 50 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is TR 183 over Lake Fork Drain Ditc?

The structure is 171 ft (52.2 m) long with a longest span of 63 ft (19.2 m) and a deck 24 ft wide.

Who owns TR 183 over Lake Fork Drain Ditc?

It is owned by the Town or Township Highway Agency.