US Bridges

KY-508 over South Fork Little River

FairPosted for load

Christian County, Kentucky · 3.9 MI East of JCT Ky 507 · Structure no. 024B00080N

Built
1925
100 years old, rebuilt 1958
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
278
2018 count
Owner
State
State Highway Agency

About this bridge

KY-508 over South Fork Little River is a steel stringer/multi-beam or girder carrying KY-508 over South Fork Little River in Christian County, Kentucky. It was built in 1925 and reconstructed in 1958, so it is 100 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 278 vehicles a day, projected to reach 278 by 2038. The structure is 51 ft (15.5 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-508
CrossesSouth Fork Little River
Location3.9 MI East of JCT Ky 507
RouteState Highway 508
Coordinates36.88167, -87.34028
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.4 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278 (2018)
Projected traffic278 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-508 over South Fork Little River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1958.

What condition is KY-508 over South Fork Little River 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 June 2024.

How much traffic does KY-508 over South Fork Little River carry?

About 278 vehicles per day (2018 count).

How long is KY-508 over South Fork Little River?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 22 ft wide.

Who owns KY-508 over South Fork Little River?

It is owned by the State Highway Agency.