US Bridges

Nfa A319 over Branch

Fair

Williamson County, Tennessee · 2.8 MI NW JCT SR6&SR248 · Structure no. 940A3190001

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
2,496
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa A319 over Branch is a concrete culvert carrying Nfa A319 over Branch in Williamson County, Tennessee. It was built in 1950, so it is 75 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 2,496 vehicles a day, roughly 3% of them trucks, projected to reach 3,413 by 2041. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa A319
CrossesBranch
Location2.8 MI NW JCT SR6&SR248
RouteCounty Highway 319
CountyWilliamson County
StateTennessee
Coordinates35.8747, -86.90078
Functional classRural 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span23 ft (7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,496 (2021)
Projected traffic3,413 by 2041
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

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$194,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A319 over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A319 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 May 2023.

How much traffic does Nfa A319 over Branch carry?

About 2,496 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa A319 over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Nfa A319 over Branch?

It is owned by the County Highway Agency.