US Bridges

WK-9001 over Alder Creek

Fair

Grayson County, Kentucky · .50 MI East of Ky 185 Op · Structure no. 043B00029N

Built
1962
63 years old
Condition
Fair
inspected September 2021
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
11,155
2022 count
Owner
State
State Highway Agency

About this bridge

WK-9001 over Alder Creek is a concrete culvert carrying WK-9001 over Alder Creek in Grayson County, Kentucky. It was built in 1962, so it is 63 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 11,155 vehicles a day, roughly 45% of them trucks, projected to reach 11,155 by 2042. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWK-9001
CrossesAlder Creek
Location.50 MI East of Ky 185 Op
RouteState Highway 9001
CountyGrayson County
StateKentucky
Coordinates37.40972, -86.47556
Functional classRural Principal Arterial - Other

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 inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating86.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,155 (2022)
Projected traffic11,155 by 2042
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 WK-9001 over Alder Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is WK-9001 over Alder 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 September 2021.

How much traffic does WK-9001 over Alder Creek carry?

About 11,155 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is WK-9001 over Alder Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m).

Who owns WK-9001 over Alder Creek?

It is owned by the State Highway Agency.