US Bridges

Nfa 2105 (sa 5616) over Branch

Good

Macon County, Tennessee · 5 M N of Lafayette · Structure no. 56021050007

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
626
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2105 (sa 5616) over Branch is a concrete continuous culvert carrying Nfa 2105 (sa 5616) over Branch in Macon County, Tennessee. It was built in 1983, so it is 42 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 626 vehicles a day, roughly 3% of them trucks, projected to reach 990 by 2041. The structure is 22 ft (6.7 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa 2105 (sa 5616)
CrossesBranch
Location5 M N of Lafayette
RouteCounty Highway 2105
Coordinates36.5919, -86.01895
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width22 ft (6.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic626 (2021)
Projected traffic990 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$179,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2105 (sa 5616) over Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 2105 (sa 5616) over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Nfa 2105 (sa 5616) over Branch carry?

About 626 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2105 (sa 5616) over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Nfa 2105 (sa 5616) over Branch?

It is owned by the County Highway Agency.