US Bridges

Dawson Hill RD over Back Run

Fair

Jefferson County, Kentucky · 85 Ft S of Back Run RD · Structure no. 056C00220N

Built
2001
24 years old
Condition
Fair
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
956
2019 count
Owner
County
County Highway Agency

About this bridge

Dawson Hill RD over Back Run is a prestressed concrete box beam or girders - multiple carrying Dawson Hill RD over Back Run in Jefferson County, Kentucky. It was built in 2001, so it is 24 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.

It carries about 956 vehicles a day, projected to reach 956 by 2039. The structure is 56 ft (17.1 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesDawson Hill RD
CrossesBack Run
Location85 Ft S of Back Run RD
RouteCounty Highway 1002
CountyJefferson County
StateKentucky
Coordinates38.1075, -85.50222
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.8 US tons
Inventory rating44.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic956 (2019)
Projected traffic956 by 2039
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

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 Dawson Hill RD over Back Run built?

It was built in 2001, making it 24 years old in 2025.

What condition is Dawson Hill RD over Back Run 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 January 2022.

How much traffic does Dawson Hill RD over Back Run carry?

About 956 vehicles per day (2019 count).

How long is Dawson Hill RD over Back Run?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 32 ft wide.

Who owns Dawson Hill RD over Back Run?

It is owned by the County Highway Agency.