US Bridges

US-31E over South Fork Nolin River

Fair

Larue County, Kentucky · 1.5 MI S of S-Jct Ky 61 · Structure no. 062B00025N

Built
1958
67 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
152 ft
4 main spans
Daily traffic
2,987
2023 count
Owner
State
State Highway Agency

About this bridge

US-31E over South Fork Nolin River is a concrete tee beam carrying US-31E over South Fork Nolin River in Larue County, Kentucky. It was built in 1958, so it is 67 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 2,987 vehicles a day, roughly 8% of them trucks, projected to reach 2,987 by 2043. The structure is 152 ft (46.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-31E
CrossesSouth Fork Nolin River
Location1.5 MI S of S-Jct Ky 61
RouteU.S. Route 31
Coordinates37.50694, -85.73667
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95.7 US tons
Inventory rating57.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span38 ft (11.6 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,987 (2023)
Projected traffic2,987 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US-31E over South Fork Nolin River built?

It was built in 1958, making it 67 years old in 2025.

What condition is US-31E over South Fork Nolin 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 December 2023.

How much traffic does US-31E over South Fork Nolin River carry?

About 2,987 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US-31E over South Fork Nolin River?

The structure is 152 ft (46.3 m) long with a longest span of 38 ft (11.6 m) and a deck 35 ft wide.

Who owns US-31E over South Fork Nolin River?

It is owned by the State Highway Agency.