US Bridges

KY-9 over CSX Railroad

Fair

Campbell County, Kentucky · @ntrsxn Mccracken Ave · Structure no. 019B00033N

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
595 ft
4 main spans
Daily traffic
10,657
2021 count
Owner
State
State Highway Agency

About this bridge

KY-9 over CSX Railroad is a concrete continuous box beam or girders - single or spread carrying KY-9 over CSX Railroad in Campbell County, Kentucky. It was built in 1959, so it is 66 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 5 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 10,657 vehicles a day, roughly 5% of them trucks, projected to reach 10,657 by 2041. The structure is 595 ft (181.4 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKY-9
CrossesCSX Railroad
Location@ntrsxn Mccracken Ave
RouteState Highway 9
Coordinates39.07639, -84.49556
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.1 US tons
Inventory rating42.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadH 20
Structure length595 ft (181.4 m)
Longest span100 ft (30.5 m)
Deck width57 ft (17.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,657 (2021)
Projected traffic10,657 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-9 over CSX Railroad built?

It was built in 1959, making it 66 years old in 2025.

What condition is KY-9 over CSX 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 August 2023.

How much traffic does KY-9 over CSX Railroad carry?

About 10,657 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is KY-9 over CSX Railroad?

The structure is 595 ft (181.4 m) long with a longest span of 100 ft (30.5 m) and a deck 57 ft wide.

Who owns KY-9 over CSX Railroad?

It is owned by the State Highway Agency.