US Bridges

FAU-1397 ST Chrls over Salt Creek

Good

DuPage County, Illinois · 0.2 MI W of Ill 83 · Structure no. 022695000000000

Built
1979
46 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
19,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU-1397 ST Chrls over Salt Creek is a prestressed concrete box beam or girders - multiple carrying FAU-1397 ST Chrls over Salt Creek in DuPage County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,300 vehicles a day, roughly 4% of them trucks, projected to reach 16,564 by 2046. The structure is 115 ft (35.1 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU-1397 ST Chrls
CrossesSalt Creek
Location0.2 MI W of Ill 83
Coordinates41.89022, -87.96375
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length115 ft (35.1 m)
Longest span38 ft (11.6 m)
Deck width68 ft (20.7 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (2024)
Projected traffic16,564 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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-1397 ST Chrls over Salt Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAU-1397 ST Chrls over Salt Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FAU-1397 ST Chrls over Salt Creek carry?

About 19,300 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is FAU-1397 ST Chrls over Salt Creek?

The structure is 115 ft (35.1 m) long with a longest span of 38 ft (11.6 m) and a deck 68 ft wide.

Who owns FAU-1397 ST Chrls over Salt Creek?

It is owned by the City or Municipal Highway Agency.