US Bridges

KY-525 over Grisby Creek

FairPosted for load

Trigg County, Kentucky · 3.3 Mi. East-Jct.Ky 139 · Structure no. 111B00053N

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
570
2018 count
Owner
State
State Highway Agency

About this bridge

KY-525 over Grisby Creek is a prestressed concrete box beam or girders - multiple carrying KY-525 over Grisby Creek in Trigg County, Kentucky. It was built in 1982, so it is 43 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 570 vehicles a day, projected to reach 570 by 2038. The structure is 44 ft (13.5 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesKY-525
CrossesGrisby Creek
Location3.3 Mi. East-Jct.Ky 139
RouteState Highway 525
CountyTrigg County
StateKentucky
Coordinates36.79444, -87.77111
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.3 US tons
Inventory rating28.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2018)
Projected traffic570 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 KY-525 over Grisby Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is KY-525 over Grisby Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does KY-525 over Grisby Creek carry?

About 570 vehicles per day (2018 count).

How long is KY-525 over Grisby Creek?

The structure is 44 ft (13.5 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns KY-525 over Grisby Creek?

It is owned by the State Highway Agency.