US Bridges

TR-317A over Wolf Creek

Good

Jasper County, Illinois · 2.5 MI SW Bogota · Structure no. 040316600000000

Built
1979
46 years old
Condition
Good
inspected January 2022
Type
Channel Beam
Concrete
Length
70 ft
2 main spans
Daily traffic
125
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-317A over Wolf Creek is a concrete channel beam carrying TR-317A over Wolf Creek in Jasper 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 125 vehicles a day, roughly 14% of them trucks, projected to reach 128 by 2046. The structure is 70 ft (21.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR-317A
CrossesWolf Creek
Location2.5 MI SW Bogota
RouteCounty Highway 0
CountyJasper County
StateIllinois
Coordinates38.89137, -88.26857
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span33 ft (10.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic128 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-317A over Wolf Creek built?

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

What condition is TR-317A over Wolf Creek 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 January 2022.

How much traffic does TR-317A over Wolf Creek carry?

About 125 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is TR-317A over Wolf Creek?

The structure is 70 ft (21.3 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns TR-317A over Wolf Creek?

It is owned by the Town or Township Highway Agency.