US Bridges

TR-165A over Skillet Fork

Fair

Marion County, Illinois · 2 MI SE Forbes ST Pk · Structure no. 061318100000000

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
105 ft
3 main spans
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-165A over Skillet Fork is a concrete channel beam carrying TR-165A over Skillet Fork in Marion County, Illinois. It was built in 1977, so it is 48 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 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 25 vehicles a day, roughly 24% of them trucks, projected to reach 25 by 2046. The structure is 105 ft (32 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-165A
CrossesSkillet Fork
Location2 MI SE Forbes ST Pk
RouteCounty Highway 0
Coordinates38.69339, -88.71847
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2046
Trucks24%
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-165A over Skillet Fork built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR-165A over 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-165A over Skillet Fork carry?

About 25 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is TR-165A over Skillet Fork?

The structure is 105 ft (32 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns TR-165A over Skillet Fork?

It is owned by the Town or Township Highway Agency.