US Bridges

FAS-2719 (CH-8) over East Fork Slough

Good

Marion County, Illinois · 2 MI NE Alma · Structure no. 061322800000000

Built
1986
39 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-2719 (CH-8) over East Fork Slough is a prestressed concrete box beam or girders - multiple carrying FAS-2719 (CH-8) over East Fork Slough in Marion County, Illinois. It was built in 1986, so it is 39 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 18% of them trucks, projected to reach 783 by 2046. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFAS-2719 (CH-8)
CrossesEast Fork Slough
Location2 MI NE Alma
RouteCounty Highway 0
Coordinates38.75968, -88.9491
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic783 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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-2719 (CH-8) over East Fork Slough built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAS-2719 (CH-8) over East Fork Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does FAS-2719 (CH-8) over East Fork Slough carry?

About 800 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FAS-2719 (CH-8) over East Fork Slough?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns FAS-2719 (CH-8) over East Fork Slough?

It is owned by the County Highway Agency.