US Bridges

Nfa A333 over Branch

Fair

Wilson County, Tennessee · 0.2 MI West of Dekalb CO · Structure no. 950A3330003

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A333 over Branch is a concrete continuous tee beam carrying Nfa A333 over Branch in Wilson 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 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 180 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2040. The structure is 27 ft (8.2 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesNfa A333
CrossesBranch
Location0.2 MI West of Dekalb CO
RouteCounty Highway 0A333
CountyWilson County
StateTennessee
Coordinates36.02387, -86.03831
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2040
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$169,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A333 over Branch built?

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

What condition is Nfa A333 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 2024.

How much traffic does Nfa A333 over Branch carry?

About 180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A333 over Branch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 14 ft wide.

Who owns Nfa A333 over Branch?

It is owned by the County Highway Agency.