US Bridges

Nfa A616 over Branch

Fair

Montgomery County, Tennessee · 7 M. Nw. Palmyra. · Structure no. 630A6160001

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A616 over Branch is a steel stringer/multi-beam or girder carrying Nfa A616 over Branch in Montgomery County, Tennessee. It was built in 1988, so it is 37 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2041. The structure is 34 ft (10.4 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 A616
CrossesBranch
Location7 M. Nw. Palmyra.
RouteCounty Highway 616
CountyMontgomery County
StateTennessee
Coordinates36.486, -87.59057
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2041
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A616 over Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa A616 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 November 2024.

How much traffic does Nfa A616 over Branch carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A616 over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa A616 over Branch?

It is owned by the County Highway Agency.