US Bridges

Nfa 1073 over Branch

Fair

Sumner County, Tennessee · 3.6 MI SW JCT SR6&SR376 · Structure no. 83F00350003

Built
1915
110 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
651
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1073 over Branch is a concrete continuous culvert carrying Nfa 1073 over Branch in Sumner County, Tennessee. It was built in 1915, so it is 110 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 651 vehicles a day, roughly 3% of them trucks, projected to reach 1,042 by 2042. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNfa 1073
CrossesBranch
Location3.6 MI SW JCT SR6&SR376
RouteCounty Highway 1073
Coordinates36.4575, -86.31808
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length44 ft (13.4 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic651 (2021)
Projected traffic1,042 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$104,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1073 over Branch built?

It was built in 1915, making it 110 years old in 2025.

What condition is Nfa 1073 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 November 2024.

How much traffic does Nfa 1073 over Branch carry?

About 651 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1073 over Branch?

The structure is 44 ft (13.4 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa 1073 over Branch?

It is owned by the County Highway Agency.