US Bridges

FAU 5515 over Rock Springs Branch

FairPosted for load

Rutherford County, Tennessee · 3.1 MI NW JCT I24&SR102 · Structure no. 750A0190001

Built
1965
60 years old, rebuilt 2001
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
8,337
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 5515 over Rock Springs Branch is a concrete tee beam carrying FAU 5515 over Rock Springs Branch in Rutherford County, Tennessee. It was built in 1965 and reconstructed in 2001, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 8,337 vehicles a day, roughly 3% of them trucks, projected to reach 13,339 by 2042. The structure is 86 ft (26.2 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAU 5515
CrossesRock Springs Branch
Location3.1 MI NW JCT I24&SR102
RouteCity Street 5515
CountyRutherford County
StateTennessee
Coordinates35.965, -86.56745
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span27 ft (8.2 m)
Deck width52 ft (15.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,337 (2021)
Projected traffic13,339 by 2042
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FAU 5515 over Rock Springs Branch built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2001.

What condition is FAU 5515 over Rock Springs Branch 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 June 2024.

How much traffic does FAU 5515 over Rock Springs Branch carry?

About 8,337 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 5515 over Rock Springs Branch?

The structure is 86 ft (26.2 m) long with a longest span of 27 ft (8.2 m) and a deck 52 ft wide.

Who owns FAU 5515 over Rock Springs Branch?

It is owned by the City or Municipal Highway Agency.