US Bridges

Nfa 970 (sa 6015) over Sowell Mill Pk. / I65

Fair

Maury County, Tennessee · 7.5 M. E. Columbia. · Structure no. 60I00650011

Built
1963
62 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
269 ft
4 main spans
Daily traffic
383
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 970 (sa 6015) over Sowell Mill Pk. / I65 is a concrete continuous tee beam carrying Nfa 970 (sa 6015) over Sowell Mill Pk. / I65 in Maury County, Tennessee. It was built in 1963, so it is 62 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 5 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 383 vehicles a day, roughly 5% of them trucks, projected to reach 528 by 2040. The structure is 269 ft (82 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 970 (sa 6015)
CrossesSowell Mill Pk. / I65
Location7.5 M. E. Columbia.
RouteCounty Highway 970
CountyMaury County
StateTennessee
Coordinates35.58958, -86.90311
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length269 ft (82 m)
Longest span77 ft (23.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic383 (2021)
Projected traffic528 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 970 (sa 6015) over Sowell Mill Pk. / I65 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa 970 (sa 6015) over Sowell Mill Pk. / I65 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 970 (sa 6015) over Sowell Mill Pk. / I65 carry?

About 383 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 970 (sa 6015) over Sowell Mill Pk. / I65?

The structure is 269 ft (82 m) long with a longest span of 77 ft (23.5 m) and a deck 29 ft wide.

Who owns Nfa 970 (sa 6015) over Sowell Mill Pk. / I65?

It is owned by the State Highway Agency.