US Bridges

FAS-719 (CH-7) over Crooked Creek

Good

Clay County, Illinois · 1 MI W Iola · Structure no. 013300000000000

Built
1936
89 years old, rebuilt 2002
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
3 main spans
Daily traffic
450
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-719 (CH-7) over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying FAS-719 (CH-7) over Crooked Creek in Clay County, Illinois. It was built in 1936 and reconstructed in 2002, so it is 89 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 450 vehicles a day, roughly 18% of them trucks, projected to reach 455 by 2046. The structure is 128 ft (38.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS-719 (CH-7)
CrossesCrooked Creek
Location1 MI W Iola
RouteCounty Highway 0
Coordinates38.834, -88.65899
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 inspectionJanuary 2024
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length128 ft (38.9 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic455 by 2046
Trucks18%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$440,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS-719 (CH-7) over Crooked Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2002.

What condition is FAS-719 (CH-7) over Crooked 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 FAS-719 (CH-7) over Crooked Creek carry?

About 450 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is FAS-719 (CH-7) over Crooked Creek?

The structure is 128 ft (38.9 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns FAS-719 (CH-7) over Crooked Creek?

It is owned by the County Highway Agency.