US Bridges

Ch 24 over I-70

Fair

Cumberland County, Illinois · 1 MI NE of Jewett · Structure no. 018003100000000

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
300
2021 count
Owner
State
State Highway Agency

About this bridge

Ch 24 over I-70 is a steel continuous stringer/multi-beam or girder carrying Ch 24 over I-70 in Cumberland County, Illinois. It was built in 1968, so it is 57 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 6 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 312 by 2046. The structure is 232 ft (70.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 24
CrossesI-70
Location1 MI NE of Jewett
RouteCounty Highway 0
Coordinates39.2286, -88.2201
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length232 ft (70.7 m)
Longest span73 ft (22.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic312 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 24 over I-70 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ch 24 over I-70 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 April 2024.

How much traffic does Ch 24 over I-70 carry?

About 300 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Ch 24 over I-70?

The structure is 232 ft (70.7 m) long with a longest span of 73 ft (22.3 m) and a deck 32 ft wide.

Who owns Ch 24 over I-70?

It is owned by the State Highway Agency.