US Bridges

Rockbridge RD over Guist Creek

Fair

Shelby County, Kentucky · 2.2 MI S of Ky 53 · Structure no. 106C00056N

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
250
2010 count
Owner
County
County Highway Agency

About this bridge

Rockbridge RD over Guist Creek is a prestressed concrete box beam or girders - multiple carrying Rockbridge RD over Guist Creek in Shelby County, Kentucky. It was built in 1988, so it is 37 years old, younger 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.

It carries about 250 vehicles a day, projected to reach 250 by 2030. The structure is 76 ft (23.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRockbridge RD
CrossesGuist Creek
Location2.2 MI S of Ky 53
RouteCounty Highway 1116
Coordinates38.15889, -85.1825
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating82.2 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.3 m)
Longest span73 ft (22.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2010)
Projected traffic250 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Rockbridge RD over Guist Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Rockbridge RD over Guist 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 April 2024.

How much traffic does Rockbridge RD over Guist Creek carry?

About 250 vehicles per day (2010 count).

How long is Rockbridge RD over Guist Creek?

The structure is 76 ft (23.3 m) long with a longest span of 73 ft (22.3 m) and a deck 24 ft wide.

Who owns Rockbridge RD over Guist Creek?

It is owned by the County Highway Agency.