US Bridges

Thornwilde DR over Sand Run Creek

Good

Boone County, Kentucky · Thornwilde LN .5W K237 · Structure no. 008C00066N

Built
1992
33 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
216
2006 count
Owner
County
County Highway Agency

About this bridge

Thornwilde DR over Sand Run Creek is a concrete culvert carrying Thornwilde DR over Sand Run Creek in Boone County, Kentucky. It was built in 1992, so it is 33 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 216 vehicles a day, projected to reach 373 by 2026. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesThornwilde DR
CrossesSand Run Creek
LocationThornwilde LN .5W K237
RouteCounty Highway 1048
Coordinates39.10472, -84.72861
Functional classUrban Local

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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2006)
Projected traffic373 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Thornwilde DR over Sand Run Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Thornwilde DR over Sand Run 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 September 2022.

How much traffic does Thornwilde DR over Sand Run Creek carry?

About 216 vehicles per day (2006 count).

How long is Thornwilde DR over Sand Run Creek?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns Thornwilde DR over Sand Run Creek?

It is owned by the County Highway Agency.