US Bridges

Nfa A082 over Sulphur Springs Branch

FairPosted for load

McNairy County, Tennessee · 10 MI W of SR22 · Structure no. 550A0820001

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A082 over Sulphur Springs Branch is a concrete channel beam carrying Nfa A082 over Sulphur Springs Branch in McNairy County, Tennessee. It was built in 1977, so it is 48 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2042. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A082
CrossesSulphur Springs Branch
Location10 MI W of SR22
RouteCounty Highway 82
CountyMcNairy County
StateTennessee
Coordinates35.29, -88.50383
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2042
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A082 over Sulphur Springs Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A082 over Sulphur Springs 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 August 2024.

How much traffic does Nfa A082 over Sulphur Springs Branch carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A082 over Sulphur Springs Branch?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa A082 over Sulphur Springs Branch?

It is owned by the County Highway Agency.