US Bridges

KY-120 over Mill Creek

Fair

Webster County, Kentucky · .45 MI West of JCT Ky 109 · Structure no. 117B00098N

Built
1936
89 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,668
2021 count
Owner
State
State Highway Agency

About this bridge

KY-120 over Mill Creek is a concrete culvert carrying KY-120 over Mill Creek in Webster County, Kentucky. It was built in 1936, so it is 89 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 5 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 1,668 vehicles a day, roughly 9% of them trucks, projected to reach 1,668 by 2041. The structure is 23 ft (7 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesKY-120
CrossesMill Creek
Location.45 MI West of JCT Ky 109
RouteState Highway 120
CountyWebster County
StateKentucky
Coordinates37.39639, -87.77056
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,668 (2021)
Projected traffic1,668 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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-120 over Mill Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is KY-120 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 2024.

How much traffic does KY-120 over Mill Creek carry?

About 1,668 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is KY-120 over Mill Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns KY-120 over Mill Creek?

It is owned by the State Highway Agency.