US Bridges

Nfa A123 over Rock Creek

Good

Franklin County, Tennessee · East of SR130 · Structure no. 260A1230001

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
810
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A123 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A123 over Rock Creek in Franklin County, Tennessee. It was built in 1994, so it is 31 years old, younger than the Tennessee average of 47.4 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 810 vehicles a day, roughly 2% of them trucks, projected to reach 1,296 by 2042. The structure is 105 ft (32 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A123
CrossesRock Creek
LocationEast of SR130
RouteCounty Highway 123
Coordinates35.28766, -86.18768
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2020)
Projected traffic1,296 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Nfa A123 over Rock Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A123 over Rock 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 August 2023.

How much traffic does Nfa A123 over Rock Creek carry?

About 810 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A123 over Rock Creek?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns Nfa A123 over Rock Creek?

It is owned by the County Highway Agency.