US Bridges

FAS-1879 over Auxier Creek

Good

Hamilton County, Illinois · 2.5 MI N Dahlgren · Structure no. 033300000000000

Built
1957
68 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
115 ft
3 main spans
Daily traffic
275
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-1879 over Auxier Creek is a steel continuous stringer/multi-beam or girder carrying FAS-1879 over Auxier Creek in Hamilton County, Illinois. It was built in 1957, so it is 68 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 275 vehicles a day, roughly 22% of them trucks, projected to reach 177 by 2046. The structure is 115 ft (35.1 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS-1879
CrossesAuxier Creek
Location2.5 MI N Dahlgren
RouteCounty Highway 0
Coordinates38.24264, -88.68477
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length115 ft (35.1 m)
Longest span42 ft (12.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2022)
Projected traffic177 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-1879 over Auxier Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is FAS-1879 over Auxier 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 February 2024.

How much traffic does FAS-1879 over Auxier Creek carry?

About 275 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is FAS-1879 over Auxier Creek?

The structure is 115 ft (35.1 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.

Who owns FAS-1879 over Auxier Creek?

It is owned by the County Highway Agency.