US Bridges

Nfa B980 (sa 7526) over Rock Springs Creek

Fair

Rutherford County, Tennessee · 2.1 MI SW JCT I24&SR266 · Structure no. 75F00490007

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
1,900
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B980 (sa 7526) over Rock Springs Creek is a concrete continuous culvert carrying Nfa B980 (sa 7526) over Rock Springs Creek in Rutherford County, Tennessee. It was built in 1940, so it is 85 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 1,900 vehicles a day, roughly 1% of them trucks, projected to reach 3,040 by 2042. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa B980 (sa 7526)
CrossesRock Springs Creek
Location2.1 MI SW JCT I24&SR266
RouteCity Street 0B980
CountyRutherford County
StateTennessee
Coordinates35.95632, -86.59675
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2020)
Projected traffic3,040 by 2042
Trucks1%
Lanes on structure2
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$119,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B980 (sa 7526) over Rock Springs Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa B980 (sa 7526) over Rock Springs 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 July 2024.

How much traffic does Nfa B980 (sa 7526) over Rock Springs Creek carry?

About 1,900 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B980 (sa 7526) over Rock Springs Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa B980 (sa 7526) over Rock Springs Creek?

It is owned by the City or Municipal Highway Agency.