US Bridges

FAS-1724 (CH-23) over Little Wabash River

Fair

Effingham County, Illinois · 2.5 MI W Watson · Structure no. 025320700000000

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
475
2023 count
Owner
County
County Highway Agency

About this bridge

FAS-1724 (CH-23) over Little Wabash River is a prestressed concrete box beam or girders - multiple carrying FAS-1724 (CH-23) over Little Wabash River in Effingham County, Illinois. It was built in 1981, so it is 44 years old, younger 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 475 vehicles a day, roughly 6% of them trucks, projected to reach 371 by 2046. The structure is 138 ft (42.1 m) long and 28 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFAS-1724 (CH-23)
CrossesLittle Wabash River
Location2.5 MI W Watson
RouteCounty Highway 0
Coordinates39.03855, -88.61767
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2023)
Projected traffic371 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 FAS-1724 (CH-23) over Little Wabash River built?

It was built in 1981, making it 44 years old in 2025.

What condition is FAS-1724 (CH-23) over Little Wabash River 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 2025.

How much traffic does FAS-1724 (CH-23) over Little Wabash River carry?

About 475 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FAS-1724 (CH-23) over Little Wabash River?

The structure is 138 ft (42.1 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns FAS-1724 (CH-23) over Little Wabash River?

It is owned by the County Highway Agency.