US Bridges

KY-490 over CSX Railroad

FairPosted for load

Laurel County, Kentucky · .05 MI N.E. of JCT US 25 · Structure no. 063B00002N

Built
1941
84 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
252 ft
5 main spans
Daily traffic
6,513
2022 count
Owner
State
State Highway Agency

About this bridge

KY-490 over CSX Railroad is a concrete tee beam carrying KY-490 over CSX Railroad in Laurel County, Kentucky. It was built in 1941, so it is 84 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. Its operating status is: posted for load restriction.

It carries about 6,513 vehicles a day, roughly 8% of them trucks, projected to reach 6,513 by 2042. The structure is 252 ft (76.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesKY-490
CrossesCSX Railroad
Location.05 MI N.E. of JCT US 25
RouteState Highway 490
Coordinates37.17611, -84.12639
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length252 ft (76.8 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,513 (2022)
Projected traffic6,513 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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$913,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-490 over CSX Railroad built?

It was built in 1941, making it 84 years old in 2025.

What condition is KY-490 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 July 2024.

How much traffic does KY-490 over CSX Railroad carry?

About 6,513 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is KY-490 over CSX Railroad?

The structure is 252 ft (76.8 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns KY-490 over CSX Railroad?

It is owned by the State Highway Agency.