US Bridges

Nfa 972 over Branch

Fair

Maury County, Tennessee · 4.1 M. Sw. Srring Hill · Structure no. 600A1220009

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,368
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 972 over Branch is a concrete culvert carrying Nfa 972 over Branch in Maury County, Tennessee. It was built in 1960, so it is 65 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 1,368 vehicles a day, roughly 5% of them trucks, projected to reach 1,936 by 2040. The structure is 22 ft (6.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa 972
CrossesBranch
Location4.1 M. Sw. Srring Hill
RouteCounty Highway 972
CountyMaury County
StateTennessee
Coordinates35.69992, -86.89905
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.6 m)
Longest span18 ft (5.4 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,368 (2021)
Projected traffic1,936 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$161,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 972 over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 972 over 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 April 2024.

How much traffic does Nfa 972 over Branch carry?

About 1,368 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 972 over Branch?

The structure is 22 ft (6.6 m) long with a longest span of 18 ft (5.4 m) and a deck 29 ft wide.

Who owns Nfa 972 over Branch?

It is owned by the County Highway Agency.