US Bridges

Nfa A634 over Branch

Good

Weakley County, Tennessee · 0.1 MI SR43 · Structure no. 920A6340001

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
160
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A634 over Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa A634 over Branch in Weakley County, Tennessee. It was built in 2001, so it is 24 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2040. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A634
CrossesBranch
Location0.1 MI SR43
RouteCity Street 634
Coordinates36.32548, -88.8525
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length58 ft (17.7 m)
Longest span58 ft (17.7 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A634 over Branch built?

It was built in 2001, making it 24 years old in 2025.

What condition is Nfa A634 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 September 2024.

How much traffic does Nfa A634 over Branch carry?

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

How long is Nfa A634 over Branch?

The structure is 58 ft (17.7 m) long with a longest span of 58 ft (17.7 m) and a deck 25 ft wide.

Who owns Nfa A634 over Branch?

It is owned by the City or Municipal Highway Agency.