US Bridges

FAS-2798 (CH-20) over Raccoon Creek

Good

Clay County, Illinois · 5 MI NW Flora · Structure no. 013317300000000

Built
1981
44 years old
Condition
Good
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-2798 (CH-20) over Raccoon Creek is a prestressed concrete box beam or girders - multiple carrying FAS-2798 (CH-20) over Raccoon Creek in Clay 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 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 200 vehicles a day, roughly 9% of them trucks, projected to reach 202 by 2046. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-2798 (CH-20)
CrossesRaccoon Creek
Location5 MI NW Flora
RouteCounty Highway 0
Coordinates38.70958, -88.57872
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span61 ft (18.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic202 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-2798 (CH-20) over Raccoon Creek built?

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

What condition is FAS-2798 (CH-20) over Raccoon Creek 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 January 2022.

How much traffic does FAS-2798 (CH-20) over Raccoon Creek carry?

About 200 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS-2798 (CH-20) over Raccoon Creek?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.

Who owns FAS-2798 (CH-20) over Raccoon Creek?

It is owned by the County Highway Agency.