US Bridges

KY-70 over Dorman Creek

Fair

Rockcastle County, Kentucky · .80 MI Sou. of JCT Ky 618 · Structure no. 102B00010N

Built
1940
85 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
1,494
2023 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Dorman Creek is a concrete tee beam carrying KY-70 over Dorman Creek in Rockcastle County, Kentucky. It was built in 1940, so it is 85 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 1,494 vehicles a day, roughly 12% of them trucks, projected to reach 1,494 by 2043. The structure is 66 ft (20.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-70
CrossesDorman Creek
Location.80 MI Sou. of JCT Ky 618
RouteState Highway 70
CountyRockcastle County
StateKentucky
Coordinates37.31639, -84.45833
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.8 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length66 ft (20.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,494 (2023)
Projected traffic1,494 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-70 over Dorman Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is KY-70 over Dorman 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 2024.

How much traffic does KY-70 over Dorman Creek carry?

About 1,494 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is KY-70 over Dorman Creek?

The structure is 66 ft (20.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-70 over Dorman Creek?

It is owned by the State Highway Agency.