US Bridges

South Jefferson ST over Unnamed Stream

Fair

Caldwell County, Kentucky · .07 MI Sou. of JCT US 62 · Structure no. 017B00064N

Built
1956
69 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
2,553
2022 count
Owner
State
State Highway Agency

About this bridge

South Jefferson ST over Unnamed Stream is a concrete culvert carrying South Jefferson ST over Unnamed Stream in Caldwell County, Kentucky. It was built in 1956, so it is 69 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 2,553 vehicles a day, roughly 4% of them trucks, projected to reach 2,553 by 2042. The structure is 33 ft (10.1 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSouth Jefferson ST
CrossesUnnamed Stream
Location.07 MI Sou. of JCT US 62
RouteState Highway 139
CountyCaldwell County
StateKentucky
Coordinates37.10389, -87.88361
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,553 (2022)
Projected traffic2,553 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Jefferson ST over Unnamed Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is South Jefferson ST 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 2023.

How much traffic does South Jefferson ST over Unnamed Stream carry?

About 2,553 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is South Jefferson ST over Unnamed Stream?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 42 ft wide.

Who owns South Jefferson ST over Unnamed Stream?

It is owned by the State Highway Agency.