US Bridges

FAU-8715(OLD-15) over Casey Fork

Fair

Jefferson County, Illinois · .2 MI NE ILL-15 · Structure no. 041010100000000

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
5 main spans
Daily traffic
5,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU-8715(OLD-15) over Casey Fork is a steel continuous stringer/multi-beam or girder carrying FAU-8715(OLD-15) over Casey Fork in Jefferson County, Illinois. It was built in 1995, so it is 30 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 5,700 vehicles a day, roughly 11% of them trucks, projected to reach 5,757 by 2046. The structure is 273 ft (83.3 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFAU-8715(OLD-15)
CrossesCasey Fork
Location.2 MI NE ILL-15
CountyJefferson County
StateIllinois
Coordinates38.31872, -88.88531
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length273 ft (83.3 m)
Longest span73 ft (22.3 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2021)
Projected traffic5,757 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FAU-8715(OLD-15) over Casey Fork built?

It was built in 1995, making it 30 years old in 2025.

What condition is FAU-8715(OLD-15) over Casey 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 August 2024.

How much traffic does FAU-8715(OLD-15) over Casey Fork carry?

About 5,700 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is FAU-8715(OLD-15) over Casey Fork?

The structure is 273 ft (83.3 m) long with a longest span of 73 ft (22.3 m) and a deck 38 ft wide.

Who owns FAU-8715(OLD-15) over Casey Fork?

It is owned by the City or Municipal Highway Agency.