US Bridges

Ky 237 over Trib to Gunpowder Creek

FairPosted for load

Boone County, Kentucky · .88 MI S of JCT US 42 · Structure no. 008B00098N

Built
1901
124 years old
Condition
Fair
inspected July 2021
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ky 237 over Trib to Gunpowder Creek is a concrete slab carrying Ky 237 over Trib to Gunpowder Creek in Boone County, Kentucky. It was built in 1901, so it is 124 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 4,500 vehicles a day, roughly 7% of them trucks, projected to reach 4,500 by 2042. The structure is 26 ft (7.9 m) long and 22 ft wide.

Location

Open in Google Maps
CarriesKy 237
CrossesTrib to Gunpowder Creek
Location.88 MI S of JCT US 42
RouteState Highway 237
CountyBoone County
StateKentucky
Coordinates38.96083, -84.65667
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.2 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic4,500 by 2042
Trucks7%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ky 237 over Trib to Gunpowder Creek built?

It was built in 1901, making it 124 years old in 2025.

What condition is Ky 237 over Trib to Gunpowder Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2021.

How much traffic does Ky 237 over Trib to Gunpowder Creek carry?

About 4,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Ky 237 over Trib to Gunpowder Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Ky 237 over Trib to Gunpowder Creek?

It is owned by the State Highway Agency.