US Bridges

Lower Saltwell RD over Middle Frk Rockcastle Ck

FairPosted for load

Martin County, Kentucky · 0.2 MI NE JCT Ky 645/KY 3 · Structure no. 080C00009N

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
50
2011 count
Owner
County
County Highway Agency

About this bridge

Lower Saltwell RD over Middle Frk Rockcastle Ck is a prestressed concrete box beam or girders - multiple carrying Lower Saltwell RD over Middle Frk Rockcastle Ck in Martin County, Kentucky. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2031. The structure is 70 ft (21.3 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLower Saltwell RD
CrossesMiddle Frk Rockcastle Ck
Location0.2 MI NE JCT Ky 645/KY 3
RouteCounty Highway 1393
CountyMartin County
StateKentucky
Coordinates37.85389, -82.54528
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.4 US tons
Inventory rating26 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span64 ft (19.5 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2011)
Projected traffic50 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Saltwell RD over Middle Frk Rockcastle Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lower Saltwell RD over Middle Frk Rockcastle Ck 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 August 2023.

How much traffic does Lower Saltwell RD over Middle Frk Rockcastle Ck carry?

About 50 vehicles per day (2011 count).

How long is Lower Saltwell RD over Middle Frk Rockcastle Ck?

The structure is 70 ft (21.3 m) long with a longest span of 64 ft (19.5 m) and a deck 22 ft wide.

Who owns Lower Saltwell RD over Middle Frk Rockcastle Ck?

It is owned by the County Highway Agency.