US Bridges

Wolf Creek Road over Crab Orchard Lake

Fair

Williamson County, Illinois · 2.5 MI SW of Hdqrtrs · Structure no. 000033610-00394

Built
1938
87 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
150
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Wolf Creek Road over Crab Orchard Lake is a steel stringer/multi-beam or girder carrying Wolf Creek Road over Crab Orchard Lake in Williamson County, Illinois. It was built in 1938, so it is 87 years old, older 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 150 vehicles a day, projected to reach 175 by 2043. The structure is 154 ft (46.9 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesWolf Creek Road
CrossesCrab Orchard Lake
Location2.5 MI SW of Hdqrtrs
RouteFederal Lands Road 0
CountyWilliamson County
StateIllinois
Coordinates37.70883, -89.0585
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length154 ft (46.9 m)
Longest span59 ft (18 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic150 (2023)
Projected traffic175 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Wolf Creek Road over Crab Orchard Lake built?

It was built in 1938, making it 87 years old in 2025.

What condition is Wolf Creek Road over Crab Orchard Lake 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 June 2023.

How much traffic does Wolf Creek Road over Crab Orchard Lake carry?

About 150 vehicles per day (2023 count).

How long is Wolf Creek Road over Crab Orchard Lake?

The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 26 ft wide.

Who owns Wolf Creek Road over Crab Orchard Lake?

It is owned by the Bureau of Fish and Wildlife.