US Bridges

US-431 over Drain to Cypress Creek

Fair

McLean County, Kentucky · .7 MI N-Muhlenberg Co.Ln. · Structure no. 075B00019N

Built
1933
92 years old
Condition
Fair
inspected August 2022
Type
Tee Beam
Concrete
Length
497 ft
15 main spans
Daily traffic
3,555
2021 count
Owner
State
State Highway Agency

About this bridge

US-431 over Drain to Cypress Creek is a concrete tee beam carrying US-431 over Drain to Cypress Creek in McLean County, Kentucky. It was built in 1933, so it is 92 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 3,555 vehicles a day, roughly 14% of them trucks, projected to reach 3,555 by 2041. The structure is 497 ft (151.5 m) long and 28 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesUS-431
CrossesDrain to Cypress Creek
Location.7 MI N-Muhlenberg Co.Ln.
RouteU.S. Route 431
Coordinates37.42417, -87.15556
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating40.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadH 15
Structure length497 ft (151.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,555 (2021)
Projected traffic3,555 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US-431 over Drain to Cypress Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is US-431 over Drain to Cypress 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 Drain to Cypress Creek carry?

About 3,555 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US-431 over Drain to Cypress Creek?

The structure is 497 ft (151.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns US-431 over Drain to Cypress Creek?

It is owned by the State Highway Agency.