US Bridges

FAS 580 over Indian CR

Good

Cass County, Illinois · Swcl Arenzville · Structure no. 009303300000000

Built
2009
16 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
196 ft
3 main spans
Daily traffic
525
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 580 over Indian CR is a prestressed concrete box beam or girders - multiple carrying FAS 580 over Indian CR in Cass County, Illinois. It was built in 2009, so it is 16 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 525 vehicles a day, roughly 15% of them trucks, projected to reach 505 by 2046. The structure is 196 ft (59.7 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 580
CrossesIndian CR
LocationSwcl Arenzville
RouteCounty Highway 0
Coordinates39.8775, -90.37791
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 48 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 spans3
Design loadHS 25 or greater
Structure length196 ft (59.7 m)
Longest span78 ft (23.8 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic505 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 580 over Indian CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is FAS 580 over Indian CR 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 FAS 580 over Indian CR carry?

About 525 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAS 580 over Indian CR?

The structure is 196 ft (59.7 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.

Who owns FAS 580 over Indian CR?

It is owned by the County Highway Agency.