US Bridges

Bridge ST over Triplett Creek

Good

Rowan County, Kentucky · .2 MI S of JCT US 60 · Structure no. 103C00030N

Built
1976
49 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
4 main spans
Daily traffic
988
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bridge ST over Triplett Creek is a prestressed concrete stringer/multi-beam or girder carrying Bridge ST over Triplett Creek in Rowan County, Kentucky. It was built in 1976, so it is 49 years old, older 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 988 vehicles a day, projected to reach 1,592 by 2026. The structure is 282 ft (86 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBridge ST
CrossesTriplett Creek
Location.2 MI S of JCT US 60
RouteCity Street 1164
Coordinates38.18361, -83.43
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.6 US tons
Inventory rating59.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length282 ft (86 m)
Longest span69 ft (21 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic988 (2006)
Projected traffic1,592 by 2026
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bridge ST over Triplett Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Bridge ST over Triplett 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 Bridge ST over Triplett Creek carry?

About 988 vehicles per day (2006 count).

How long is Bridge ST over Triplett Creek?

The structure is 282 ft (86 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.

Who owns Bridge ST over Triplett Creek?

It is owned by the City or Municipal Highway Agency.