US Bridges

Nfa A502 (sa 9215) over Branch

Poor

Weakley County, Tennessee · 2 MI SW of Martin · Structure no. 92S82210007

Built
1960
65 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A502 (sa 9215) over Branch is a concrete continuous culvert carrying Nfa A502 (sa 9215) over Branch in Weakley County, Tennessee. It was built in 1960, so it is 65 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,130 vehicles a day, roughly 1% of them trucks, projected to reach 1,808 by 2042. The structure is 22 ft (6.7 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A502 (sa 9215)
CrossesBranch
Location2 MI SW of Martin
RouteCounty Highway 502
Coordinates36.3195, -88.89196
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2020)
Projected traffic1,808 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$199,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A502 (sa 9215) over Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A502 (sa 9215) over Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Nfa A502 (sa 9215) over Branch carry?

About 1,130 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A502 (sa 9215) over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Nfa A502 (sa 9215) over Branch?

It is owned by the County Highway Agency.