US Bridges

KY-1485 over Terrapin Creek

FairPosted for load

Graves County, Kentucky · .50 MI S.W. of JCT Ky 97 · Structure no. 042B00137N

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
66 ft
3 main spans
Daily traffic
195
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1485 over Terrapin Creek is a concrete channel beam carrying KY-1485 over Terrapin Creek in Graves County, Kentucky. It was built in 1958, so it is 67 years old, older 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 5 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 195 vehicles a day, projected to reach 195 by 2041. The structure is 66 ft (20.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKY-1485
CrossesTerrapin Creek
Location.50 MI S.W. of JCT Ky 97
RouteState Highway 1485
Coordinates36.53167, -88.50833
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.8 US tons
Inventory rating21.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length66 ft (20.1 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2021)
Projected traffic195 by 2041
Trucks0%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1485 over Terrapin Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is KY-1485 over Terrapin 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 August 2024.

How much traffic does KY-1485 over Terrapin Creek carry?

About 195 vehicles per day (2021 count).

How long is KY-1485 over Terrapin Creek?

The structure is 66 ft (20.1 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns KY-1485 over Terrapin Creek?

It is owned by the State Highway Agency.