US Bridges

FAS-813 (CH-1) over Big Creek

Good

Edwards County, Illinois · 1.75 MI S Bone Gap · Structure no. 024311400000000

Built
1991
34 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-813 (CH-1) over Big Creek is a prestressed concrete box beam or girders - multiple carrying FAS-813 (CH-1) over Big Creek in Edwards County, Illinois. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, roughly 5% of them trucks, projected to reach 606 by 2046. The structure is 41 ft (12.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS-813 (CH-1)
CrossesBig Creek
Location1.75 MI S Bone Gap
RouteCounty Highway 0
Coordinates38.41595, -88.00513
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 length41 ft (12.6 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic606 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-813 (CH-1) over Big Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is FAS-813 (CH-1) over Big 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 February 2022.

How much traffic does FAS-813 (CH-1) over Big Creek carry?

About 450 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAS-813 (CH-1) over Big Creek?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns FAS-813 (CH-1) over Big Creek?

It is owned by the County Highway Agency.