US Bridges

Ky 1485 over Terrapin Creek

Good

Graves County, Kentucky · .30 MI SW of JCT Ky 97 · Structure no. 042B00300N

Built
2020
5 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
195
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 1485 over Terrapin Creek is a prestressed concrete box beam or girders - multiple carrying Ky 1485 over Terrapin Creek in Graves County, Kentucky. It was built in 2020, so it is 5 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 195 vehicles a day, projected to reach 195 by 2041. The structure is 144 ft (43.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKy 1485
CrossesTerrapin Creek
Location.30 MI SW of JCT Ky 97
RouteState Highway 1485
Coordinates36.53361, -88.50528
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length144 ft (43.9 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 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 closed3.1 mi (5 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 1485 over Terrapin Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ky 1485 over Terrapin 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 October 2022.

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 144 ft (43.9 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns Ky 1485 over Terrapin Creek?

It is owned by the State Highway Agency.