US Bridges

KY-437 over Birch Fk of Williams Crk

Good

Morgan County, Kentucky · .1 MI E of JCT Ky 1260 · Structure no. 088B00066N

Built
1953
72 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
114
2023 count
Owner
State
State Highway Agency

About this bridge

KY-437 over Birch Fk of Williams Crk is a concrete culvert carrying KY-437 over Birch Fk of Williams Crk in Morgan County, Kentucky. It was built in 1953, so it is 72 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 114 vehicles a day, projected to reach 114 by 2043. The structure is 43 ft (13.1 m) long and 25 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesKY-437
CrossesBirch Fk of Williams Crk
Location.1 MI E of JCT Ky 1260
RouteState Highway 437
Coordinates37.9075, -83.09611
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span20 ft (6 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2023)
Projected traffic114 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-437 over Birch Fk of Williams Crk built?

It was built in 1953, making it 72 years old in 2025.

What condition is KY-437 over Birch Fk of Williams Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does KY-437 over Birch Fk of Williams Crk carry?

About 114 vehicles per day (2023 count).

How long is KY-437 over Birch Fk of Williams Crk?

The structure is 43 ft (13.1 m) long with a longest span of 20 ft (6 m) and a deck 25 ft wide.

Who owns KY-437 over Birch Fk of Williams Crk?

It is owned by the State Highway Agency.