US Bridges

Mill Creek Hollow over Rockcastle Creek

PoorPosted for load

Lawrence County, Kentucky · 0.4 MI N of Martin CO · Structure no. 064C00078N

Built
1970
55 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
82 ft
3 main spans
Daily traffic
70
2009 count
Owner
County
County Highway Agency

About this bridge

Mill Creek Hollow over Rockcastle Creek is a steel continuous stringer/multi-beam or girder carrying Mill Creek Hollow over Rockcastle Creek in Lawrence 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 70 vehicles a day, projected to reach 70 by 2029. The structure is 82 ft (25 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMill Creek Hollow
CrossesRockcastle Creek
Location0.4 MI N of Martin CO
RouteCounty Highway 1149
Coordinates37.96528, -82.52861
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 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 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 rating30.2 US tons
Inventory rating18.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length82 ft (25 m)
Longest span36 ft (11 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2009)
Projected traffic70 by 2029
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Creek Hollow over Rockcastle Creek built?

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

What condition is Mill Creek Hollow over Rockcastle 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 November 2024.

How much traffic does Mill Creek Hollow over Rockcastle Creek carry?

About 70 vehicles per day (2009 count).

How long is Mill Creek Hollow over Rockcastle Creek?

The structure is 82 ft (25 m) long with a longest span of 36 ft (11 m) and a deck 12 ft wide.

Who owns Mill Creek Hollow over Rockcastle Creek?

It is owned by the County Highway Agency.