US Bridges

KY-3306 over Little Sandy River

Fair

Greenup County, Kentucky · .1 MI NE of JCT Ky 1 · Structure no. 045B00063N

Built
1868
157 years old, rebuilt 1990
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
157 ft
1 main span
Daily traffic
94
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3306 over Little Sandy River is a steel truss - thru carrying KY-3306 over Little Sandy River in Greenup County, Kentucky. It was built in 1868 and reconstructed in 1990, so it is 157 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.

It carries about 94 vehicles a day, projected to reach 94 by 2041. The structure is 157 ft (47.9 m) long and 13 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesKY-3306
CrossesLittle Sandy River
Location.1 MI NE of JCT Ky 1
RouteState Highway 3306
Coordinates38.40806, -82.90583
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length157 ft (47.9 m)
Longest span148 ft (45.1 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deck19 ft (5.6 m)

Traffic and service

Average daily traffic94 (2021)
Projected traffic94 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$321,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3306 over Little Sandy River built?

It was built in 1868, making it 157 years old in 2025. It was reconstructed in 1990.

What condition is KY-3306 over Little Sandy River 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 September 2024.

How much traffic does KY-3306 over Little Sandy River carry?

About 94 vehicles per day (2021 count).

How long is KY-3306 over Little Sandy River?

The structure is 157 ft (47.9 m) long with a longest span of 148 ft (45.1 m) and a deck 13 ft wide.

Who owns KY-3306 over Little Sandy River?

It is owned by the State Highway Agency.