US Bridges

US-431 over Buck Creek

Fair

McLean County, Kentucky · .60 MI Sou. of JCT Ky 250 · Structure no. 075B00015N

Built
1968
57 years old
Condition
Fair
inspected August 2022
Type
Tee Beam
Concrete
Length
104 ft
3 main spans
Daily traffic
6,309
2019 count
Owner
State
State Highway Agency

About this bridge

US-431 over Buck Creek is a concrete tee beam carrying US-431 over Buck Creek in McLean County, Kentucky. It was built in 1968, so it is 57 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 6,309 vehicles a day, roughly 10% of them trucks, projected to reach 6,309 by 2039. The structure is 104 ft (31.7 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS-431
CrossesBuck Creek
Location.60 MI Sou. of JCT Ky 250
RouteU.S. Route 431
Coordinates37.53528, -87.10806
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length104 ft (31.7 m)
Longest span34 ft (10.5 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,309 (2019)
Projected traffic6,309 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Buck Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US-431 over Buck Creek 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 August 2022.

How much traffic does US-431 over Buck Creek carry?

About 6,309 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is US-431 over Buck Creek?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.5 m) and a deck 35 ft wide.

Who owns US-431 over Buck Creek?

It is owned by the State Highway Agency.