US Bridges

US-431 over Cedar Dale Swamp

Fair

Logan County, Kentucky · 3.7 MI N of N-Jct Ky 106 · Structure no. 071B00004N

Built
1930
95 years old
Condition
Fair
inspected October 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,748
2021 count
Owner
State
State Highway Agency

About this bridge

US-431 over Cedar Dale Swamp is a concrete culvert carrying US-431 over Cedar Dale 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 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 2,748 vehicles a day, roughly 13% of them trucks, projected to reach 2,748 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 42.9 mi (69 km).

CarriesUS-431
CrossesCedar Dale Swamp
Location3.7 MI N of N-Jct Ky 106
RouteU.S. Route 431
Coordinates37.02972, -86.97583
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed42.9 mi (69 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-431 over Cedar Dale Swamp built?

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

What condition is US-431 over Cedar Dale 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 2021.

How much traffic does US-431 over Cedar Dale Swamp carry?

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

How long is US-431 over Cedar Dale Swamp?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns US-431 over Cedar Dale Swamp?

It is owned by the State Highway Agency.