US Bridges

Ill 23 over Wolf CR

Fair

Livingston County, Illinois · 0.67 MI N of I-55 · Structure no. 053014800000000

Built
1977
48 years old, rebuilt 2006
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
2 main spans
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 23 over Wolf CR is a prestressed concrete box beam or girders - multiple carrying Ill 23 over Wolf CR in Livingston County, Illinois. It was built in 1977 and reconstructed in 2006, so it is 48 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 3,900 vehicles a day, roughly 17% of them trucks, projected to reach 3,434 by 2046. The structure is 91 ft (27.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 23
CrossesWolf CR
Location0.67 MI N of I-55
RouteState Highway 23
CountyLivingston County
StateIllinois
Coordinates40.92751, -88.64331
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+2 approach)
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span46 ft (13.9 m)
Deck width46 ft (14 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic3,434 by 2046
Trucks17%
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

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 Ill 23 over Wolf CR built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2006.

What condition is Ill 23 over Wolf CR 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 January 2023.

How much traffic does Ill 23 over Wolf CR carry?

About 3,900 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Ill 23 over Wolf CR?

The structure is 91 ft (27.7 m) long with a longest span of 46 ft (13.9 m) and a deck 46 ft wide.

Who owns Ill 23 over Wolf CR?

It is owned by the State Highway Agency.