US Bridges

KY-1710 over Unname Stream

Good

Graves County, Kentucky · 1.1 MI N.W. of JCT Ky 464 · Structure no. 042B00193N

Built
1958
67 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
684
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1710 over Unname Stream is a concrete culvert carrying KY-1710 over Unname Stream 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 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 684 vehicles a day, projected to reach 684 by 2042. The structure is 29 ft (8.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKY-1710
CrossesUnname Stream
Location1.1 MI N.W. of JCT Ky 464
RouteState Highway 1710
Coordinates36.73694, -88.57861
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.7 m)
Longest span14 ft (4.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic684 (2022)
Projected traffic684 by 2042
Trucks0%
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

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-1710 over Unname Stream built?

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

What condition is KY-1710 over Unname Stream 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-1710 over Unname Stream carry?

About 684 vehicles per day (2022 count).

How long is KY-1710 over Unname Stream?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.2 m) and a deck 27 ft wide.

Who owns KY-1710 over Unname Stream?

It is owned by the State Highway Agency.