US Bridges

TR-159 over Trib Skillet Fork

Fair

White County, Illinois · 2 MI NW Carmi · Structure no. 097318900000000

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
35
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-159 over Trib Skillet Fork is a prestressed concrete box beam or girders - multiple carrying TR-159 over Trib Skillet Fork in White County, Illinois. It was built in 1986, so it is 39 years old, younger 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 6 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 35 vehicles a day, roughly 14% of them trucks, projected to reach 25 by 2046. The structure is 62 ft (18.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-159
CrossesTrib Skillet Fork
Location2 MI NW Carmi
RouteCounty Highway 0
Coordinates38.12626, -88.213
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic25 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-159 over Trib Skillet Fork built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR-159 over Trib Skillet Fork 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 January 2024.

How much traffic does TR-159 over Trib Skillet Fork carry?

About 35 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is TR-159 over Trib Skillet Fork?

The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns TR-159 over Trib Skillet Fork?

It is owned by the Town or Township Highway Agency.