US Bridges

TR 159A over Wolf Creek

Fair

Woodford County, Illinois · 1 MI S Grmntn Hills · Structure no. 102502800000000

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
350
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 159A over Wolf Creek is a concrete culvert carrying TR 159A over Wolf Creek in Woodford County, Illinois. It was built in 1998, so it is 27 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 350 vehicles a day, roughly 7% of them trucks, projected to reach 354 by 2046. The structure is 28 ft (8.4 m) long.

Location

Open in Google Maps
CarriesTR 159A
CrossesWolf Creek
Location1 MI S Grmntn Hills
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.75145, -89.47372
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic354 by 2046
Trucks7%
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 159A over Wolf Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is TR 159A over Wolf 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 November 2024.

How much traffic does TR 159A over Wolf Creek carry?

About 350 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is TR 159A over Wolf Creek?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (4 m).

Who owns TR 159A over Wolf Creek?

It is owned by the Town or Township Highway Agency.