US Bridges

FAS1576 over Prairie Creek

Good

Cass County, Illinois · 3 MI NE Arenzville · Structure no. 009302900000000

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
107 ft
2 main spans
Daily traffic
350
2023 count
Owner
County
County Highway Agency

About this bridge

FAS1576 over Prairie Creek is a prestressed concrete box beam or girders - multiple carrying FAS1576 over Prairie Creek in Cass County, Illinois. It was built in 2005, so it is 20 years old, younger 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 350 vehicles a day, roughly 9% of them trucks, projected to reach 455 by 2046. The structure is 107 ft (32.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS1576
CrossesPrairie Creek
Location3 MI NE Arenzville
RouteCounty Highway 0
Coordinates39.90413, -90.33265
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span68 ft (20.8 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic455 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FAS1576 over Prairie Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is FAS1576 over Prairie 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 2023.

How much traffic does FAS1576 over Prairie Creek carry?

About 350 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAS1576 over Prairie Creek?

The structure is 107 ft (32.6 m) long with a longest span of 68 ft (20.8 m) and a deck 30 ft wide.

Who owns FAS1576 over Prairie Creek?

It is owned by the County Highway Agency.