US Bridges

KY-1057 over Combs Branch

Good

Powell County, Kentucky · 2.2 MI SE of JCT Ky 2001 · Structure no. 099B00053N

Built
1951
74 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
409
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1057 over Combs Branch is a concrete culvert carrying KY-1057 over Combs Branch in Powell County, Kentucky. It was built in 1951, so it is 74 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 409 vehicles a day, roughly 2% of them trucks, projected to reach 409 by 2043. The structure is 36 ft (11 m) long and 22 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesKY-1057
CrossesCombs Branch
Location2.2 MI SE of JCT Ky 2001
RouteState Highway 1057
CountyPowell County
StateKentucky
Coordinates37.79444, -83.90028
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length36 ft (11 m)
Longest span14 ft (4.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2023)
Projected traffic409 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 KY-1057 over Combs Branch built?

It was built in 1951, making it 74 years old in 2025.

What condition is KY-1057 over Combs Branch 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 November 2021.

How much traffic does KY-1057 over Combs Branch carry?

About 409 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is KY-1057 over Combs Branch?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m) and a deck 22 ft wide.

Who owns KY-1057 over Combs Branch?

It is owned by the State Highway Agency.