US Bridges

KY-70 over Dunn Creek

Good

Livingston County, Kentucky · 3.4 Mi. E JCT US 60 · Structure no. 070B00077N

Built
1998
27 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
472
2023 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Dunn Creek is a prestressed concrete box beam or girders - single or spread carrying KY-70 over Dunn Creek in Livingston County, Kentucky. It was built in 1998, so it is 27 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 472 vehicles a day, projected to reach 472 by 2043. The structure is 57 ft (17.5 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesKY-70
CrossesDunn Creek
Location3.4 Mi. E JCT US 60
RouteState Highway 70
CountyLivingston County
StateKentucky
Coordinates37.1475, -88.34278
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating35.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.5 m)
Longest span51 ft (15.5 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2023)
Projected traffic472 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Dunn Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is KY-70 over Dunn Creek 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 May 2024.

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

About 472 vehicles per day (2023 count).

How long is KY-70 over Dunn Creek?

The structure is 57 ft (17.5 m) long with a longest span of 51 ft (15.5 m) and a deck 37 ft wide.

Who owns KY-70 over Dunn Creek?

It is owned by the State Highway Agency.