US Bridges

Citation RD over Trib to Mill Creek

FairPosted for load

Jefferson County, Kentucky · 0.25 MI W of US 31W · Structure no. 056C00036N

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
1,005
2006 count
Owner
County
County Highway Agency

About this bridge

Citation RD over Trib to Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Citation RD over Trib to Mill Creek in Jefferson County, Kentucky. It was built in 1965, so it is 60 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 1,005 vehicles a day, projected to reach 1,856 by 2026. The structure is 64 ft (19.5 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCitation RD
CrossesTrib to Mill Creek
Location0.25 MI W of US 31W
RouteCity Street 1139
Coordinates38.11444, -85.86639
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span59 ft (18 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,005 (2006)
Projected traffic1,856 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Citation RD over Trib to Mill Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Citation 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 Citation RD over Trib to Mill Creek carry?

About 1,005 vehicles per day (2006 count).

How long is Citation RD over Trib to Mill Creek?

The structure is 64 ft (19.5 m) long with a longest span of 59 ft (18 m) and a deck 38 ft wide.

Who owns Citation RD over Trib to Mill Creek?

It is owned by the County Highway Agency.