US Bridges

Ch 4 (stotlar Rd) over Interstate 57

Fair

Williamson County, Illinois · 0.7 MI W of Ill 37 · Structure no. 100005700000000

Built
1961
64 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
4 main spans
Daily traffic
2,650
2021 count
Owner
State
State Highway Agency

About this bridge

Ch 4 (stotlar Rd) over Interstate 57 is a steel continuous stringer/multi-beam or girder carrying Ch 4 (stotlar Rd) over Interstate 57 in Williamson County, Illinois. It was built in 1961, so it is 64 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 2,650 vehicles a day, roughly 5% of them trucks, projected to reach 2,677 by 2046. The structure is 241 ft (73.6 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCh 4 (stotlar Rd)
CrossesInterstate 57
Location0.7 MI W of Ill 37
RouteCounty Highway 0
CountyWilliamson County
StateIllinois
Coordinates37.79217, -88.94565
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length241 ft (73.6 m)
Longest span75 ft (23 m)
Deck width34 ft (10.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2021)
Projected traffic2,677 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 4 (stotlar Rd) over Interstate 57 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ch 4 (stotlar Rd) over Interstate 57 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 September 2023.

How much traffic does Ch 4 (stotlar Rd) over Interstate 57 carry?

About 2,650 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ch 4 (stotlar Rd) over Interstate 57?

The structure is 241 ft (73.6 m) long with a longest span of 75 ft (23 m) and a deck 34 ft wide.

Who owns Ch 4 (stotlar Rd) over Interstate 57?

It is owned by the State Highway Agency.