US Bridges

Nfa A790 (sa 9219) over Branch

Good

Weakley County, Tennessee · 1 MI N of Martin · Structure no. 920A7900001

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A790 (sa 9219) over Branch is a concrete continuous culvert carrying Nfa A790 (sa 9219) over Branch in Weakley 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 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 480 by 2040. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A790 (sa 9219)
CrossesBranch
Location1 MI N of Martin
RouteCounty Highway 790
Coordinates36.38341, -88.85589
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic480 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$88,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A790 (sa 9219) over Branch built?

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

What condition is Nfa A790 (sa 9219) 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 October 2024.

How much traffic does Nfa A790 (sa 9219) over Branch carry?

About 300 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A790 (sa 9219) over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A790 (sa 9219) over Branch?

It is owned by the County Highway Agency.