US Bridges

West Perimeter RD over Branch of Casey Creek

Good

Trigg County, Kentucky · 311-630 · Structure no. DAPFORCAK000002

Built
1992
33 years old, rebuilt 2016
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
300
2024 count
Owner
Federal
Army

About this bridge

West Perimeter RD over Branch of Casey Creek is a prestressed concrete box beam or girders - single or spread carrying West Perimeter RD over Branch of Casey Creek in Trigg County, Kentucky. It was built in 1992 and reconstructed in 2016, so it is 33 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 40% of them trucks, projected to reach 300 by 2046. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Perimeter RD
CrossesBranch of Casey Creek
Location311-630
Coordinates36.7118, -87.77055
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic300 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was West Perimeter RD over Branch of Casey Creek built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2016.

What condition is West Perimeter RD over Branch of Casey 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 November 2024.

How much traffic does West Perimeter RD over Branch of Casey Creek carry?

About 300 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is West Perimeter RD over Branch of Casey Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns West Perimeter RD over Branch of Casey Creek?

It is owned by the Army.