US Bridges

Nfa 1605 (sa 9222) over Wright Branch

Fair

Weakley County, Tennessee · 2.2 MI W of SR89 · Structure no. 92S81910001

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
411
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1605 (sa 9222) over Wright Branch is a concrete continuous culvert carrying Nfa 1605 (sa 9222) over Wright Branch in Weakley County, Tennessee. It was built in 1989, so it is 36 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 411 vehicles a day, roughly 5% of them trucks, projected to reach 1,136 by 2040. The structure is 56 ft (17.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1605 (sa 9222)
CrossesWright Branch
Location2.2 MI W of SR89
RouteCounty Highway 1605
Coordinates36.34031, -88.67442
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic411 (2021)
Projected traffic1,136 by 2040
Trucks5%
Lanes on structure2
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1605 (sa 9222) over Wright Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa 1605 (sa 9222) over Wright 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 1605 (sa 9222) over Wright Branch carry?

About 411 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1605 (sa 9222) over Wright Branch?

The structure is 56 ft (17.1 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa 1605 (sa 9222) over Wright Branch?

It is owned by the County Highway Agency.