US Bridges

KY-1690 over Nats Creek

Good

Lawrence County, Kentucky · 1.0 MI S of JCT Ky 645 · Structure no. 064B00076N

Built
1985
40 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
471
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1690 over Nats Creek is a prestressed concrete box beam or girders - multiple carrying KY-1690 over Nats Creek in Lawrence County, Kentucky. It was built in 1985, so it is 40 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 471 vehicles a day, projected to reach 471 by 2043. The structure is 35 ft (10.8 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesKY-1690
CrossesNats Creek
Location1.0 MI S of JCT Ky 645
RouteState Highway 1690
CountyLawrence County
StateKentucky
Coordinates37.93278, -82.62972
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic471 (2023)
Projected traffic471 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-1690 over Nats Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is KY-1690 over Nats 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 April 2023.

How much traffic does KY-1690 over Nats Creek carry?

About 471 vehicles per day (2023 count).

How long is KY-1690 over Nats Creek?

The structure is 35 ft (10.8 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns KY-1690 over Nats Creek?

It is owned by the State Highway Agency.