US Bridges

KY-1508 over Unnamed Stream

Fair

Union County, Kentucky · 1.3 MI Sou. of JCT Ky 492 · Structure no. 113B00079N

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
137
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1508 over Unnamed Stream is a prestressed concrete box beam or girders - multiple carrying KY-1508 over Unnamed Stream in Union County, Kentucky. It was built in 1973, so it is 52 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 137 vehicles a day, projected to reach 137 by 2041. The structure is 51 ft (15.5 m) long and 24 ft wide.

CarriesKY-1508
CrossesUnnamed Stream
Location1.3 MI Sou. of JCT Ky 492
RouteState Highway 1508
Coordinates37.55528, -88.07861
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span46 ft (14 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2021)
Projected traffic137 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1508 over Unnamed Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is KY-1508 over Unnamed Stream 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 January 2024.

How much traffic does KY-1508 over Unnamed Stream carry?

About 137 vehicles per day (2021 count).

How long is KY-1508 over Unnamed Stream?

The structure is 51 ft (15.5 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns KY-1508 over Unnamed Stream?

It is owned by the State Highway Agency.