US Bridges

Ky 12 over Rj Corman Railroad

Fair

Shelby County, Kentucky · 70 Ft W of Ky 1005 · Structure no. 106B00069N

Built
1976
49 years old, rebuilt 2024
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
716
2019 count
Owner
State
State Highway Agency

About this bridge

Ky 12 over Rj Corman Railroad is a prestressed concrete box beam or girders - multiple carrying Ky 12 over Rj Corman Railroad in Shelby County, Kentucky. It was built in 1976 and reconstructed in 2024, so it is 49 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.

It carries about 716 vehicles a day, projected to reach 716 by 2039. The structure is 68 ft (20.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKy 12
CrossesRj Corman Railroad
Location70 Ft W of Ky 1005
RouteState Highway 12
CountyShelby County
StateKentucky
Coordinates38.25722, -85.04222
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length68 ft (20.7 m)
Longest span67 ft (20.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic716 (2019)
Projected traffic716 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 12 over Rj Corman Railroad built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2024.

What condition is Ky 12 over Rj Corman Railroad 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 2024.

How much traffic does Ky 12 over Rj Corman Railroad carry?

About 716 vehicles per day (2019 count).

How long is Ky 12 over Rj Corman Railroad?

The structure is 68 ft (20.7 m) long with a longest span of 67 ft (20.3 m) and a deck 32 ft wide.

Who owns Ky 12 over Rj Corman Railroad?

It is owned by the State Highway Agency.