US Bridges

Ky 237 over Gunpowder Creek

Good

Boone County, Kentucky · 2.7 MI N.W. of JCT US 42 · Structure no. 008B00096N

Built
2020
5 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
241 ft
3 main spans
Daily traffic
17,804
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 237 over Gunpowder Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 237 over Gunpowder Creek in Boone County, Kentucky. It was built in 2020, so it is 5 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 17,804 vehicles a day, roughly 16% of them trucks, projected to reach 17,804 by 2043. The structure is 241 ft (73.5 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKy 237
CrossesGunpowder Creek
Location2.7 MI N.W. of JCT US 42
RouteState Highway 237
CountyBoone County
StateKentucky
Coordinates38.99611, -84.69889
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating62.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length241 ft (73.5 m)
Longest span77 ft (23.5 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,804 (2023)
Projected traffic17,804 by 2043
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 237 over Gunpowder Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ky 237 over Gunpowder 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 June 2021.

How much traffic does Ky 237 over Gunpowder Creek carry?

About 17,804 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ky 237 over Gunpowder Creek?

The structure is 241 ft (73.5 m) long with a longest span of 77 ft (23.5 m) and a deck 48 ft wide.

Who owns Ky 237 over Gunpowder Creek?

It is owned by the State Highway Agency.