US Bridges

KY-411 over Alder Creek

Good

Grayson County, Kentucky · .05 MI East of JCT Ky 185 · Structure no. 043B00013N

Built
1955
70 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
222
2021 count
Owner
State
State Highway Agency

About this bridge

KY-411 over Alder Creek is a concrete culvert carrying KY-411 over Alder Creek in Grayson County, Kentucky. It was built in 1955, so it is 70 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 222 vehicles a day, projected to reach 222 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesKY-411
CrossesAlder Creek
Location.05 MI East of JCT Ky 185
RouteState Highway 411
CountyGrayson County
StateKentucky
Coordinates37.36806, -86.47167
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 inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2021)
Projected traffic222 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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-411 over Alder Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is KY-411 over Alder Creek 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 September 2021.

How much traffic does KY-411 over Alder Creek carry?

About 222 vehicles per day (2021 count).

How long is KY-411 over Alder Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m).

Who owns KY-411 over Alder Creek?

It is owned by the State Highway Agency.