US Bridges

Nfa 1620 (sa 9224) over Branch

Good

Weakley County, Tennessee · 0.5 MI W of SR89 · Structure no. 92016200011

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
283
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1620 (sa 9224) over Branch is a concrete continuous slab carrying Nfa 1620 (sa 9224) over Branch in Weakley County, Tennessee. It was built in 2008, so it is 17 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 283 vehicles a day, roughly 3% of them trucks, projected to reach 240 by 2040. The structure is 52 ft (16 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1620 (sa 9224)
CrossesBranch
Location0.5 MI W of SR89
RouteCounty Highway 1620
Coordinates36.46894, -88.58203
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length52 ft (16 m)
Longest span18 ft (5.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2021)
Projected traffic240 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1620 (sa 9224) over Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa 1620 (sa 9224) 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 1620 (sa 9224) over Branch carry?

About 283 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1620 (sa 9224) over Branch?

The structure is 52 ft (16 m) long with a longest span of 18 ft (5.6 m) and a deck 26 ft wide.

Who owns Nfa 1620 (sa 9224) over Branch?

It is owned by the County Highway Agency.