US Bridges

Nfa 1456 (sa 7909) over Branch

Fair

Shelby County, Tennessee · Walnut Grove RD - Shelby · Structure no. 790S0300001

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
34,073
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 1456 (sa 7909) over Branch is a concrete continuous culvert carrying Nfa 1456 (sa 7909) over Branch in Shelby County, Tennessee. It was built in 1968, so it is 57 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 34,073 vehicles a day, roughly 4% of them trucks, projected to reach 25,504 by 2041. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNfa 1456 (sa 7909)
CrossesBranch
LocationWalnut Grove RD - Shelby
RouteCity Street 1456
CountyShelby County
StateTennessee
Coordinates35.13072, -89.79027
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,073 (2021)
Projected traffic25,504 by 2041
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$523,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1456 (sa 7909) over Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa 1456 (sa 7909) 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 March 2023.

How much traffic does Nfa 1456 (sa 7909) over Branch carry?

About 34,073 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1456 (sa 7909) over Branch?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns Nfa 1456 (sa 7909) over Branch?

It is owned by the City or Municipal Highway Agency.