US Bridges

Nfa A750 over Branch

Good

Giles County, Tennessee · Garner Drive · Structure no. 280A7500001

Built
1950
75 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A750 over Branch is a concrete continuous culvert carrying Nfa A750 over Branch in Giles County, Tennessee. It was built in 1950, so it is 75 years old, older 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 1,280 vehicles a day, roughly 1% of them trucks, projected to reach 2,048 by 2042. The structure is 25 ft (7.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A750
CrossesBranch
LocationGarner Drive
RouteCounty Highway 750
Coordinates35.20987, -87.05306
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2020)
Projected traffic2,048 by 2042
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$151,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A750 over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A750 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 February 2024.

How much traffic does Nfa A750 over Branch carry?

About 1,280 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A750 over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns Nfa A750 over Branch?

It is owned by the County Highway Agency.