US Bridges

Nfa A702 over Branch

FairPosted for load

Gibson County, Tennessee · 2.8 MI NE JCT SR76&SR186 · Structure no. 270A7020001

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A702 over Branch is a concrete channel beam carrying Nfa A702 over Branch in Gibson County, Tennessee. It was built in 1973, so it is 52 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A702
CrossesBranch
Location2.8 MI NE JCT SR76&SR186
RouteCounty Highway 702
CountyGibson County
StateTennessee
Coordinates35.88447, -88.79914
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 rating17.2 US tons
Inventory rating13.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 A702 over Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa A702 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 July 2023.

How much traffic does Nfa A702 over Branch carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A702 over Branch?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Nfa A702 over Branch?

It is owned by the County Highway Agency.