US Bridges

Ch 12(FAP 816) over W Fork Kaskaskia Riv

Good

Douglas County, Illinois · 1 MI N of Arthur · Structure no. 021202500000000

Built
2009
16 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
2,900
2024 count
Owner
State
State Highway Agency

About this bridge

Ch 12(FAP 816) over W Fork Kaskaskia Riv is a concrete culvert carrying Ch 12(FAP 816) over W Fork Kaskaskia Riv in Douglas County, Illinois. It was built in 2009, so it is 16 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 2,900 vehicles a day, roughly 12% of them trucks, projected to reach 2,929 by 2046. The structure is 43 ft (13 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCh 12(FAP 816)
CrossesW Fork Kaskaskia Riv
Location1 MI N of Arthur
Coordinates39.73543, -88.47259
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2024)
Projected traffic2,929 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 12(FAP 816) over W Fork Kaskaskia Riv built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ch 12(FAP 816) over W Fork Kaskaskia Riv 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 Ch 12(FAP 816) over W Fork Kaskaskia Riv carry?

About 2,900 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Ch 12(FAP 816) over W Fork Kaskaskia Riv?

The structure is 43 ft (13 m) long with a longest span of 13 ft (4 m).

Who owns Ch 12(FAP 816) over W Fork Kaskaskia Riv?

It is owned by the State Highway Agency.