US Bridges

Ch 24 over Jordan Slough

Fair

Douglas County, Illinois · 0.5 MI S of Fairland · Structure no. 021004200000000

Built
1932
93 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
49 ft
4 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 24 over Jordan Slough is a concrete culvert carrying Ch 24 over Jordan Slough in Douglas County, Illinois. It was built in 1932, so it is 93 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 126 by 2046. The structure is 49 ft (15 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 24
CrossesJordan Slough
Location0.5 MI S of Fairland
RouteCounty Highway 0
CountyDouglas County
StateIllinois
Coordinates39.869, -88.10335
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length49 ft (15 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic126 by 2046
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 24 over Jordan Slough built?

It was built in 1932, making it 93 years old in 2025.

What condition is Ch 24 over Jordan Slough 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 February 2025.

How much traffic does Ch 24 over Jordan Slough carry?

About 125 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ch 24 over Jordan Slough?

The structure is 49 ft (15 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns Ch 24 over Jordan Slough?

It is owned by the County Highway Agency.