US Bridges

KY-1770 over Boone Creek

Good

Lincoln County, Kentucky · 3.5 MI S of Nw-Jct US 150 · Structure no. 069B00072N

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
263
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1770 over Boone Creek is a concrete culvert carrying KY-1770 over Boone Creek in Lincoln County, Kentucky. It was built in 1987, so it is 38 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 263 vehicles a day, projected to reach 263 by 2042. The structure is 29 ft (8.8 m) long and 74 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesKY-1770
CrossesBoone Creek
Location3.5 MI S of Nw-Jct US 150
RouteState Highway 1770
Coordinates37.4725, -84.59556
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating70.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width74 ft (22.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2022)
Projected traffic263 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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-1770 over Boone Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is KY-1770 over Boone 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 2024.

How much traffic does KY-1770 over Boone Creek carry?

About 263 vehicles per day (2022 count).

How long is KY-1770 over Boone Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 74 ft wide.

Who owns KY-1770 over Boone Creek?

It is owned by the State Highway Agency.