US Bridges

CH-12 (FAS-732) over Lake Fork

Fair

Christian County, Illinois · 3 MI W Pana · Structure no. 011503500000000

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
500
2021 count
Owner
County
County Highway Agency

About this bridge

CH-12 (FAS-732) over Lake Fork is a concrete culvert carrying CH-12 (FAS-732) over Lake Fork in Christian County, Illinois. It was built in 1940, so it is 85 years old, older 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 5 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 500 vehicles a day, roughly 22% of them trucks, projected to reach 505 by 2046. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCH-12 (FAS-732)
CrossesLake Fork
Location3 MI W Pana
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.39973, -89.14514
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic505 by 2046
Trucks22%
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 CH-12 (FAS-732) over Lake Fork built?

It was built in 1940, making it 85 years old in 2025.

What condition is CH-12 (FAS-732) over Lake Fork 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 December 2024.

How much traffic does CH-12 (FAS-732) over Lake Fork carry?

About 500 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is CH-12 (FAS-732) over Lake Fork?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.5 m).

Who owns CH-12 (FAS-732) over Lake Fork?

It is owned by the County Highway Agency.