US Bridges

TR 161 over Lake Fork Drain Dit

Good

Piatt County, Illinois · 3 MI Ese of Bement · Structure no. 074317800000000

Built
1979
46 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 161 over Lake Fork Drain Dit is a concrete slab carrying TR 161 over Lake Fork Drain Dit in Piatt County, Illinois. It was built in 1979, so it is 46 years old, older 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, projected to reach 51 by 2046. The structure is 27 ft (8.2 m) long and 26 ft wide.

CarriesTR 161
CrossesLake Fork Drain Dit
Location3 MI Ese of Bement
RouteCounty Highway 0
Coordinates39.90821, -88.50009
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 inspectionNovember 2023
Inspection intervalevery 48 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 161 over Lake Fork Drain Dit built?

It was built in 1979, making it 46 years old in 2025.

What condition is TR 161 over Lake Fork Drain Dit 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 November 2023.

How much traffic does TR 161 over Lake Fork Drain Dit carry?

About 50 vehicles per day (2020 count).

How long is TR 161 over Lake Fork Drain Dit?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns TR 161 over Lake Fork Drain Dit?

It is owned by the Town or Township Highway Agency.