US Bridges

Blackberry Bridge over Middle Fork

Good

Martin County, Kentucky · .01 MI - JCT Ky 3 · Structure no. 080C00041N

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
472
2011 count
Owner
County
County Highway Agency

About this bridge

Blackberry Bridge over Middle Fork is a prestressed concrete continuous stringer/multi-beam or girder carrying Blackberry Bridge over Middle Fork in Martin County, Kentucky. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 472 vehicles a day, projected to reach 472 by 2031. The structure is 183 ft (55.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBlackberry Bridge
CrossesMiddle Fork
Location.01 MI - JCT Ky 3
RouteCounty Highway 1228
Coordinates37.81306, -82.56694
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.4 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length183 ft (55.8 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2011)
Projected traffic472 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Blackberry Bridge over Middle Fork built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blackberry Bridge over Middle 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 2023.

How much traffic does Blackberry Bridge over Middle Fork carry?

About 472 vehicles per day (2011 count).

How long is Blackberry Bridge over Middle Fork?

The structure is 183 ft (55.8 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns Blackberry Bridge over Middle Fork?

It is owned by the County Highway Agency.