US Bridges

Nfa A333 over Branch

Fair

DeKalb County, Tennessee · .5MI West of SR26 · Structure no. 210A3330001

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A333 over Branch is a concrete culvert carrying Nfa A333 over Branch in DeKalb County, Tennessee. It was built in 1986, so it is 39 years old, younger 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 280 vehicles a day, roughly 1% of them trucks, projected to reach 448 by 2042. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A333
CrossesBranch
Location.5MI West of SR26
RouteCounty Highway 333
CountyDeKalb County
StateTennessee
Coordinates36.0514, -86.031
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$68,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A333 over Branch built?

It was built in 1986, making it 39 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 December 2023.

How much traffic does Nfa A333 over Branch carry?

About 280 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A333 over Branch?

The structure is 23 ft (7 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Nfa A333 over Branch?

It is owned by the County Highway Agency.