US Bridges

Il 148 over Wolf Creek

Good

Williamson County, Illinois · I MI N of I-57 · Structure no. 100010300000000

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
2 main spans
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il 148 over Wolf Creek is a steel continuous stringer/multi-beam or girder carrying Il 148 over Wolf Creek in Williamson County, Illinois. It was built in 2021, so it is 4 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 5,600 vehicles a day, roughly 18% of them trucks, projected to reach 4,747 by 2046. The structure is 199 ft (60.8 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesIl 148
CrossesWolf Creek
LocationI MI N of I-57
RouteState Highway 148
CountyWilliamson County
StateIllinois
Coordinates37.63236, -89.00241
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length199 ft (60.8 m)
Longest span107 ft (32.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic4,747 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 148 over Wolf Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Il 148 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 2024.

How much traffic does Il 148 over Wolf Creek carry?

About 5,600 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Il 148 over Wolf Creek?

The structure is 199 ft (60.8 m) long with a longest span of 107 ft (32.7 m) and a deck 43 ft wide.

Who owns Il 148 over Wolf Creek?

It is owned by the State Highway Agency.