US Bridges

Nfa A897 over Rock Creek

Fair

Franklin County, Tennessee · East of SR130 · Structure no. 260A0880001

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
660
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A897 over Rock Creek is a concrete tee beam carrying Nfa A897 over Rock Creek in Franklin County, Tennessee. It was built in 1955, so it is 70 years old, older than the Tennessee average of 47.4 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 660 vehicles a day, roughly 1% of them trucks, projected to reach 1,056 by 2042. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A897
CrossesRock Creek
LocationEast of SR130
RouteCity Street 897
Coordinates35.3385, -86.2091
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2020)
Projected traffic1,056 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$176,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A897 over Rock Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa A897 over Rock 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 February 2024.

How much traffic does Nfa A897 over Rock Creek carry?

About 660 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A897 over Rock Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Nfa A897 over Rock Creek?

It is owned by the City or Municipal Highway Agency.