US Bridges

US-431 over Wolf Lick Swamp

Fair

Logan County, Kentucky · 2.8 MI N of N-Jct Ky 106 · Structure no. 071B00003N

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
144 ft
3 main spans
Daily traffic
2,748
2021 count
Owner
State
State Highway Agency

About this bridge

US-431 over Wolf Lick Swamp is a concrete tee beam carrying US-431 over Wolf Lick Swamp in Logan County, Kentucky. It was built in 1930, so it is 95 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 2,748 vehicles a day, roughly 13% of them trucks, projected to reach 2,748 by 2041. The structure is 144 ft (43.9 m) long and 26 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesUS-431
CrossesWolf Lick Swamp
Location2.8 MI N of N-Jct Ky 106
RouteU.S. Route 431
CountyLogan County
StateKentucky
Coordinates37.02056, -86.96417
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.7 US tons
Inventory rating38.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length144 ft (43.9 m)
Longest span45 ft (13.7 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,748 (2021)
Projected traffic2,748 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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$432,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US-431 over Wolf Lick Swamp built?

It was built in 1930, making it 95 years old in 2025.

What condition is US-431 over Wolf Lick Swamp 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 October 2023.

How much traffic does US-431 over Wolf Lick Swamp carry?

About 2,748 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is US-431 over Wolf Lick Swamp?

The structure is 144 ft (43.9 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns US-431 over Wolf Lick Swamp?

It is owned by the State Highway Agency.