US Bridges

Ashby LN over Mill Creek

Fair

Jefferson County, Kentucky · 0.75 MI W of US 31W · Structure no. 056C00004N

Built
1941
84 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
4,362
2020 count
Owner
County
County Highway Agency

About this bridge

Ashby LN over Mill Creek is a concrete culvert carrying Ashby LN over Mill Creek in Jefferson County, Kentucky. It was built in 1941, so it is 84 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 4,362 vehicles a day, projected to reach 4,362 by 2040. The structure is 24 ft (7.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAshby LN
CrossesMill Creek
Location0.75 MI W of US 31W
RouteCounty Highway 1003
CountyJefferson County
StateKentucky
Coordinates38.10778, -85.88139
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 adequacy7: Better than present minimum 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 length24 ft (7.4 m)
Longest span11 ft (3.5 m)
Deck width38 ft (11.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,362 (2020)
Projected traffic4,362 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashby LN over Mill Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Ashby LN over Mill 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 November 2023.

How much traffic does Ashby LN over Mill Creek carry?

About 4,362 vehicles per day (2020 count).

How long is Ashby LN over Mill Creek?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.5 m) and a deck 38 ft wide.

Who owns Ashby LN over Mill Creek?

It is owned by the County Highway Agency.