US Bridges

KY-70 over Tradewater River Overflo

Good

Caldwell County, Kentucky · .5 MI E of Ky 293 · Structure no. 017B00074N

Built
1986
39 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
254
2019 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Tradewater River Overflo is a prestressed concrete box beam or girders - multiple carrying KY-70 over Tradewater River Overflo in Caldwell County, Kentucky. It was built in 1986, so it is 39 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 254 vehicles a day, projected to reach 254 by 2039. The structure is 102 ft (31.1 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesKY-70
CrossesTradewater River Overflo
Location.5 MI E of Ky 293
RouteState Highway 70
Coordinates37.27583, -87.80167
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92 US tons
Inventory rating55.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length102 ft (31.1 m)
Longest span43 ft (13.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic254 (2019)
Projected traffic254 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-70 over Tradewater River Overflo built?

It was built in 1986, making it 39 years old in 2025.

What condition is KY-70 over Tradewater River Overflo in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does KY-70 over Tradewater River Overflo carry?

About 254 vehicles per day (2019 count).

How long is KY-70 over Tradewater River Overflo?

The structure is 102 ft (31.1 m) long with a longest span of 43 ft (13.1 m) and a deck 24 ft wide.

Who owns KY-70 over Tradewater River Overflo?

It is owned by the State Highway Agency.