US Bridges

FAS 1666(CH 9) over S Fork Indian Creek

Fair

Coles County, Illinois · 4 MI E of Lerna · Structure no. 015329200000000

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
525
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1666(CH 9) over S Fork Indian Creek is a concrete continuous slab carrying FAS 1666(CH 9) over S Fork Indian Creek in Coles 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 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 525 vehicles a day, roughly 5% of them trucks, projected to reach 455 by 2046. The structure is 76 ft (23.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1666(CH 9)
CrossesS Fork Indian Creek
Location4 MI E of Lerna
RouteCounty Highway 0
Coordinates39.41873, -88.20968
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2024)
Projected traffic455 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1666(CH 9) over S Fork Indian Creek built?

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

What condition is FAS 1666(CH 9) over S Fork Indian Creek 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 January 2025.

How much traffic does FAS 1666(CH 9) over S Fork Indian Creek carry?

About 525 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FAS 1666(CH 9) over S Fork Indian Creek?

The structure is 76 ft (23.1 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns FAS 1666(CH 9) over S Fork Indian Creek?

It is owned by the County Highway Agency.