US Bridges

FAP-823 (ILL-15) over Johnson Creek

Fair

Wayne County, Illinois · Ecl Fairfield · Structure no. 096200700000000

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
4,850
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-823 (ILL-15) over Johnson Creek is a concrete culvert carrying FAP-823 (ILL-15) over Johnson Creek in Wayne County, Illinois. It was built in 1982, so it is 43 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 6 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 4,850 vehicles a day, roughly 7% of them trucks, projected to reach 5,253 by 2046. The structure is 40 ft (12.2 m) long and 56 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

Open in Google Maps
CarriesFAP-823 (ILL-15)
CrossesJohnson Creek
LocationEcl Fairfield
RouteState Highway 15
CountyWayne County
StateIllinois
Coordinates38.37907, -88.35123
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span13 ft (3.9 m)
Deck width56 ft (17.2 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2023)
Projected traffic5,253 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemYes

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 FAP-823 (ILL-15) over Johnson Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is FAP-823 (ILL-15) over Johnson 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 FAP-823 (ILL-15) over Johnson Creek carry?

About 4,850 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAP-823 (ILL-15) over Johnson Creek?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (3.9 m) and a deck 56 ft wide.

Who owns FAP-823 (ILL-15) over Johnson Creek?

It is owned by the State Highway Agency.