US Bridges

FAU-8715 (OLD-15) over Stream

Fair

Jefferson County, Illinois · .25 MI NE ILL-15 · Structure no. 041004900000000

Built
1925
100 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU-8715 (OLD-15) over Stream is a concrete slab carrying FAU-8715 (OLD-15) over Stream in Jefferson County, Illinois. It was built in 1925, so it is 100 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 5,700 vehicles a day, roughly 11% of them trucks, projected to reach 5,757 by 2046. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFAU-8715 (OLD-15)
CrossesStream
Location.25 MI NE ILL-15
CountyJefferson County
StateIllinois
Coordinates38.31965, -88.88322
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU-8715 (OLD-15) over Stream built?

It was built in 1925, making it 100 years old in 2025.

What condition is FAU-8715 (OLD-15) over Stream 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 FAU-8715 (OLD-15) over Stream carry?

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

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

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns FAU-8715 (OLD-15) over Stream?

It is owned by the City or Municipal Highway Agency.