US Bridges

Nfa 1612 (sa 9221) over Branch

Fair

Weakley County, Tennessee · 2.8 MI JCT SR 18 · Structure no. 92016120003

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
56 ft
1 main span
Daily traffic
371
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1612 (sa 9221) over Branch is a concrete culvert carrying Nfa 1612 (sa 9221) over Branch in Weakley County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 371 vehicles a day, roughly 3% of them trucks, projected to reach 496 by 2040. The structure is 56 ft (17.1 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 1612 (sa 9221)
CrossesBranch
Location2.8 MI JCT SR 18
RouteCounty Highway 1612
Coordinates36.37286, -88.76161
Functional classRural Minor Collector

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 inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span48 ft (14.6 m)
Deck width52 ft (15.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2021)
Projected traffic496 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1612 (sa 9221) over Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 1612 (sa 9221) 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 September 2024.

How much traffic does Nfa 1612 (sa 9221) over Branch carry?

About 371 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1612 (sa 9221) over Branch?

The structure is 56 ft (17.1 m) long with a longest span of 48 ft (14.6 m) and a deck 52 ft wide.

Who owns Nfa 1612 (sa 9221) over Branch?

It is owned by the County Highway Agency.