US Bridges

Nfa 1464 (sa 7921) over Branch

Good

Shelby County, Tennessee · Herring Hill RD - Shelby · Structure no. 79014640005

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
2,488
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1464 (sa 7921) over Branch is a prestressed concrete box beam or girders - multiple carrying Nfa 1464 (sa 7921) over Branch in Shelby County, Tennessee. It was built in 1999, so it is 26 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 2,488 vehicles a day, roughly 3% of them trucks, projected to reach 3,968 by 2041. The structure is 69 ft (21 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 1464 (sa 7921)
CrossesBranch
LocationHerring Hill RD - Shelby
RouteCounty Highway 1464
Coordinates35.36064, -89.98244
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,488 (2021)
Projected traffic3,968 by 2041
Trucks3%
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

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 1464 (sa 7921) over Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa 1464 (sa 7921) 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 May 2023.

How much traffic does Nfa 1464 (sa 7921) over Branch carry?

About 2,488 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1464 (sa 7921) over Branch?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 32 ft wide.

Who owns Nfa 1464 (sa 7921) over Branch?

It is owned by the County Highway Agency.