US Bridges

TR 168 over Riley Creek

Fair

Coles County, Illinois · 1 MI W Charleston · Structure no. 015323500000000

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
116 ft
3 main spans
Daily traffic
550
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 168 over Riley Creek is a concrete slab carrying TR 168 over Riley Creek in Coles County, Illinois. It was built in 1980, so it is 45 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 5 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 550 vehicles a day, roughly 1% of them trucks, projected to reach 505 by 2046. The structure is 116 ft (35.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR 168
CrossesRiley Creek
Location1 MI W Charleston
RouteCounty Highway 0
CountyColes County
StateIllinois
Coordinates39.49102, -88.22387
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length116 ft (35.4 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic505 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 168 over Riley Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 168 over Riley Creek 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 2025.

How much traffic does TR 168 over Riley Creek carry?

About 550 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is TR 168 over Riley Creek?

The structure is 116 ft (35.4 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns TR 168 over Riley Creek?

It is owned by the Town or Township Highway Agency.