US Bridges

Nfa A034 over Dry Branch

Fair

Macon County, Tennessee · 7.9 M N of Eulia · Structure no. 560A0340001

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A034 over Dry Branch is a concrete continuous culvert carrying Nfa A034 over Dry Branch in Macon County, Tennessee. It was built in 1965, so it is 60 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2041. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A034
CrossesDry Branch
Location7.9 M N of Eulia
RouteCounty Highway 34
CountyMacon County
StateTennessee
Coordinates36.63593, -86.19276
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2041
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$176,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A034 over Dry Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A034 over Dry 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 August 2023.

How much traffic does Nfa A034 over Dry Branch carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A034 over Dry Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A034 over Dry Branch?

It is owned by the County Highway Agency.