US Bridges

Nfa A329 over Egypt Hollow Branch

Fair

DeKalb County, Tennessee · 3MI Southwest of US70 · Structure no. 210A2840001

Built
2017
8 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A329 over Egypt Hollow Branch is a concrete continuous culvert carrying Nfa A329 over Egypt Hollow Branch in DeKalb County, Tennessee. It was built in 2017, so it is 8 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 33 ft (10.2 m) long and 19 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A329
CrossesEgypt Hollow Branch
Location3MI Southwest of US70
RouteCounty Highway 329
Coordinates35.96963, -85.90142
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length33 ft (10.2 m)
Longest span16 ft (4.9 m)
Deck width19 ft (5.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$448,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A329 over Egypt Hollow Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Nfa A329 over Egypt Hollow 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 2023.

How much traffic does Nfa A329 over Egypt Hollow Branch carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A329 over Egypt Hollow Branch?

The structure is 33 ft (10.2 m) long with a longest span of 16 ft (4.9 m) and a deck 19 ft wide.

Who owns Nfa A329 over Egypt Hollow Branch?

It is owned by the County Highway Agency.