US Bridges

Decker RD over Trib to Mill Creek

FairPosted for load

Jefferson County, Kentucky · 0.1 MI W of Thompson LN · Structure no. 056C00041N

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
100
2006 count
Owner
County
County Highway Agency

About this bridge

Decker RD over Trib to Mill Creek is a prestressed concrete box beam or girders - multiple carrying Decker RD over Trib to Mill Creek in Jefferson County, Kentucky. It was built in 1940, so it is 85 years old, older 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 100 vehicles a day, projected to reach 185 by 2026. The structure is 47 ft (14.3 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesDecker RD
CrossesTrib to Mill Creek
Location0.1 MI W of Thompson LN
RouteCity Street 1662
CountyJefferson County
StateKentucky
Coordinates38.12694, -85.86583
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.2 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2006)
Projected traffic185 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Decker RD over Trib to Mill Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Decker RD over Trib to Mill Creek 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 November 2023.

How much traffic does Decker RD over Trib to Mill Creek carry?

About 100 vehicles per day (2006 count).

How long is Decker RD over Trib to Mill Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns Decker RD over Trib to Mill Creek?

It is owned by the County Highway Agency.