US Bridges

FAU 5515 (sa 7523) over Rock Springs Branch

Fair

Rutherford County, Tennessee · 1.8 MI SW JCT SR266&I24 · Structure no. 75E00720001

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
8,337
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 5515 (sa 7523) over Rock Springs Branch is a concrete tee beam carrying FAU 5515 (sa 7523) over Rock Springs Branch in Rutherford County, Tennessee. It was built in 1975, so it is 50 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 8,337 vehicles a day, roughly 3% of them trucks, projected to reach 13,339 by 2042. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 5515 (sa 7523)
CrossesRock Springs Branch
Location1.8 MI SW JCT SR266&I24
RouteCity Street 5515
CountyRutherford County
StateTennessee
Coordinates35.95714, -86.59387
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable 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 length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,337 (2021)
Projected traffic13,339 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$214,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 5515 (sa 7523) over Rock Springs Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAU 5515 (sa 7523) 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 July 2024.

How much traffic does FAU 5515 (sa 7523) over Rock Springs Branch carry?

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

How long is FAU 5515 (sa 7523) over Rock Springs Branch?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns FAU 5515 (sa 7523) over Rock Springs Branch?

It is owned by the City or Municipal Highway Agency.