US Bridges

Ch 14 over Prarie Ck

Good

Franklin County, Illinois · Jim Browning RD · Structure no. 028321800000000

Built
1979
46 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
450
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 14 over Prarie Ck is a prestressed concrete box beam or girders - multiple carrying Ch 14 over Prarie Ck in Franklin 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 450 vehicles a day, roughly 23% of them trucks, projected to reach 354 by 2046. The structure is 44 ft (13.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 14
CrossesPrarie Ck
LocationJim Browning RD
RouteCounty Highway 0
Coordinates37.91396, -89.08277
Functional classRural Local

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 inspectionJune 2022
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 rating69.7 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2024)
Projected traffic354 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ch 14 over Prarie Ck built?

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

What condition is Ch 14 over Prarie Ck 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 June 2022.

How much traffic does Ch 14 over Prarie Ck carry?

About 450 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is Ch 14 over Prarie Ck?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns Ch 14 over Prarie Ck?

It is owned by the County Highway Agency.