US Bridges

TR-305 over Wolf Creek

Good

Jasper County, Illinois · 1.75 Swbagota · Structure no. 040501500000000

Built
1988
37 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-305 over Wolf Creek is a concrete culvert carrying TR-305 over Wolf Creek in Jasper County, Illinois. It was built in 1988, so it is 37 years old, younger 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 30 ft (9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR-305
CrossesWolf Creek
Location1.75 Swbagota
RouteCounty Highway 0
Coordinates38.90588, -88.25409
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span14 ft (4.3 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-305 over Wolf Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is TR-305 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 March 2023.

How much traffic does TR-305 over Wolf Creek carry?

About 50 vehicles per day (2021 count).

How long is TR-305 over Wolf Creek?

The structure is 30 ft (9 m) long with a longest span of 14 ft (4.3 m) and a deck 29 ft wide.

Who owns TR-305 over Wolf Creek?

It is owned by the Town or Township Highway Agency.