US Bridges

KY-3345 over Grassy Creek

PoorPosted for load

Morgan County, Kentucky · .6 MI NW of JCT Ky 705 · Structure no. 088B00077N

Built
1970
55 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
117
2018 count
Owner
State
State Highway Agency

About this bridge

KY-3345 over Grassy Creek is a prestressed concrete box beam or girders - multiple carrying KY-3345 over Grassy Creek in Morgan County, Kentucky. It was built in 1970, so it is 55 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 117 vehicles a day, projected to reach 117 by 2038. The structure is 83 ft (25.3 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-3345
CrossesGrassy Creek
Location.6 MI NW of JCT Ky 705
RouteState Highway 3345
CountyMorgan County
StateKentucky
Coordinates37.90361, -83.35306
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.6 US tons
Inventory rating27.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span79 ft (24.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2018)
Projected traffic117 by 2038
Trucks0%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3345 over Grassy Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is KY-3345 over Grassy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does KY-3345 over Grassy Creek carry?

About 117 vehicles per day (2018 count).

How long is KY-3345 over Grassy Creek?

The structure is 83 ft (25.3 m) long with a longest span of 79 ft (24.1 m) and a deck 18 ft wide.

Who owns KY-3345 over Grassy Creek?

It is owned by the State Highway Agency.