US Bridges

KY-1945 over Jack Branch

FairPosted for load

Boyd County, Kentucky · 1.5 MI S.- JCT Ky 854 · Structure no. 010B00061N

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
140
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1945 over Jack Branch is a prestressed concrete box beam or girders - multiple carrying KY-1945 over Jack Branch in Boyd County, Kentucky. It was built in 1987, so it is 38 years old, younger 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 6 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 140 vehicles a day, projected to reach 140 by 2041. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-1945
CrossesJack Branch
Location1.5 MI S.- JCT Ky 854
RouteState Highway 1945
CountyBoyd County
StateKentucky
Coordinates38.27722, -82.74528
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2021)
Projected traffic140 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$79,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1945 over Jack Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is KY-1945 over Jack Branch 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 October 2023.

How much traffic does KY-1945 over Jack Branch carry?

About 140 vehicles per day (2021 count).

How long is KY-1945 over Jack Branch?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 21 ft wide.

Who owns KY-1945 over Jack Branch?

It is owned by the State Highway Agency.