US Bridges

KY-773 over Little Sandy River

Good

Carter County, Kentucky · 1.2 MI S. E. of JCT Ky 7 · Structure no. 022B00172N

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
274 ft
3 main spans
Daily traffic
1,999
2021 count
Owner
State
State Highway Agency

About this bridge

KY-773 over Little Sandy River is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-773 over Little Sandy River in Carter County, Kentucky. It was built in 2021, so it is 4 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 1,999 vehicles a day, roughly 5% of them trucks, projected to reach 1,999 by 2041. The structure is 274 ft (83.6 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesKY-773
CrossesLittle Sandy River
Location1.2 MI S. E. of JCT Ky 7
RouteState Highway 773
CountyCarter County
StateKentucky
Coordinates38.29972, -82.9475
Functional classRural Minor Collector

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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length274 ft (83.6 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,999 (2021)
Projected traffic1,999 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-773 over Little Sandy River built?

It was built in 2021, making it 4 years old in 2025.

What condition is KY-773 over Little Sandy River 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 April 2024.

How much traffic does KY-773 over Little Sandy River carry?

About 1,999 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is KY-773 over Little Sandy River?

The structure is 274 ft (83.6 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns KY-773 over Little Sandy River?

It is owned by the State Highway Agency.