US Bridges

KY-70 over Unnamed Stream

FairPosted for load

Hopkins County, Kentucky · .60 MI East of JCT Ky 85 · Structure no. 054B00179N

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,680
2021 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Unnamed Stream is a prestressed concrete box beam or girders - multiple carrying KY-70 over Unnamed Stream in Hopkins County, Kentucky. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 1,680 vehicles a day, roughly 9% of them trucks, projected to reach 1,680 by 2041. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesKY-70
CrossesUnnamed Stream
Location.60 MI East of JCT Ky 85
RouteState Highway 70
CountyHopkins County
StateKentucky
Coordinates37.33, -87.40722
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,680 (2021)
Projected traffic1,680 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-70 over Unnamed Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is KY-70 over Unnamed Stream 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 2023.

How much traffic does KY-70 over Unnamed Stream carry?

About 1,680 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is KY-70 over Unnamed Stream?

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

Who owns KY-70 over Unnamed Stream?

It is owned by the State Highway Agency.