US Bridges

FAS 531(CH 4) over Camp Creek Drain Dit

Fair

Piatt County, Illinois · 4.1 MI E Monticello · Structure no. 074323500000000

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
68 ft
3 main spans
Daily traffic
2,150
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 531(CH 4) over Camp Creek Drain Dit is a concrete slab carrying FAS 531(CH 4) over Camp Creek Drain Dit in Piatt County, Illinois. It was built in 1988, so it is 37 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 2,150 vehicles a day, roughly 7% of them trucks, projected to reach 2,172 by 2046. The structure is 68 ft (20.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 531(CH 4)
CrossesCamp Creek Drain Dit
Location4.1 MI E Monticello
RouteCounty Highway 0
Coordinates40.02541, -88.49813
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic2,172 by 2046
Trucks7%
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 531(CH 4) over Camp Creek Drain Dit built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 531(CH 4) over Camp Creek Drain Dit 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 November 2023.

How much traffic does FAS 531(CH 4) over Camp Creek Drain Dit carry?

About 2,150 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FAS 531(CH 4) over Camp Creek Drain Dit?

The structure is 68 ft (20.7 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns FAS 531(CH 4) over Camp Creek Drain Dit?

It is owned by the County Highway Agency.