US Bridges

KY-1120 (12th St) over CSX RR

Fair

Kenton County, Kentucky · 400.FT E. Russell St. · Structure no. 059B00081L

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
547 ft
3 main spans
Daily traffic
8,266
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1120 (12th St) over CSX RR is a steel continuous stringer/multi-beam or girder carrying KY-1120 (12th St) over CSX RR in Kenton County, Kentucky. It was built in 1983, so it is 42 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 8,266 vehicles a day, roughly 5% of them trucks, projected to reach 8,266 by 2042. The structure is 547 ft (166.7 m) long and 39 ft wide.

CarriesKY-1120 (12th St)
CrossesCSX RR
Location400.FT E. Russell St.
RouteState Highway 1120
Coordinates39.0775, -84.51028
Functional classUrban Other Principal Arterial

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length547 ft (166.7 m)
Longest span107 ft (32.6 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,266 (2022)
Projected traffic8,266 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-1120 (12th St) over CSX RR built?

It was built in 1983, making it 42 years old in 2025.

What condition is KY-1120 (12th St) over CSX RR 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 KY-1120 (12th St) over CSX RR carry?

About 8,266 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is KY-1120 (12th St) over CSX RR?

The structure is 547 ft (166.7 m) long with a longest span of 107 ft (32.6 m) and a deck 39 ft wide.

Who owns KY-1120 (12th St) over CSX RR?

It is owned by the State Highway Agency.