US Bridges

Rockhouse Mills RD over Rockhouse Fork

Good

Martin County, Kentucky · 0.1 M W of JCT Ky 1224 · Structure no. 080C00061N

Built
2022
3 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
90
2011 count
Owner
County
County Highway Agency

About this bridge

Rockhouse Mills RD over Rockhouse Fork is a prestressed concrete box beam or girders - multiple carrying Rockhouse Mills RD over Rockhouse Fork in Martin County, Kentucky. It was built in 2022, so it is 3 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 90 vehicles a day, projected to reach 90 by 2031. The structure is 40 ft (12.2 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesRockhouse Mills RD
CrossesRockhouse Fork
Location0.1 M W of JCT Ky 1224
RouteCounty Highway 1374
CountyMartin County
StateKentucky
Coordinates37.85472, -82.60167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.7 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2011)
Projected traffic90 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rockhouse Mills RD over Rockhouse Fork built?

It was built in 2022, making it 3 years old in 2025.

What condition is Rockhouse Mills RD over Rockhouse Fork 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 August 2024.

How much traffic does Rockhouse Mills RD over Rockhouse Fork carry?

About 90 vehicles per day (2011 count).

How long is Rockhouse Mills RD over Rockhouse Fork?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.7 m) and a deck 12 ft wide.

Who owns Rockhouse Mills RD over Rockhouse Fork?

It is owned by the County Highway Agency.