US Bridges

CR 1224 Knob Lick over Drowning Creek

Fair

Estill County, Kentucky · Madison/Estill County · Structure no. 033C00037N

Built
1989
36 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
444
2018 count
Owner
County
County Highway Agency

About this bridge

CR 1224 Knob Lick over Drowning Creek is a steel stringer/multi-beam or girder carrying CR 1224 Knob Lick over Drowning Creek in Estill County, Kentucky. It was built in 1989, so it is 36 years old, younger 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 444 vehicles a day, projected to reach 562 by 2038. The structure is 72 ft (21.9 m) long and 15 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCR 1224 Knob Lick
CrossesDrowning Creek
LocationMadison/Estill County
RouteCounty Highway 1224
CountyEstill County
StateKentucky
Coordinates37.65361, -84.1125
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span66 ft (20.1 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic444 (2018)
Projected traffic562 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 CR 1224 Knob Lick over Drowning Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 1224 Knob Lick over Drowning 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 May 2022.

How much traffic does CR 1224 Knob Lick over Drowning Creek carry?

About 444 vehicles per day (2018 count).

How long is CR 1224 Knob Lick over Drowning Creek?

The structure is 72 ft (21.9 m) long with a longest span of 66 ft (20.1 m) and a deck 15 ft wide.

Who owns CR 1224 Knob Lick over Drowning Creek?

It is owned by the County Highway Agency.