US Bridges

Nfa A358 over Adams Branch

FairPosted for load

Gibson County, Tennessee · 4.9 MI NW JCT SR43&SR77 · Structure no. 270A3580003

Built
1995
30 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A358 over Adams Branch is a concrete channel beam carrying Nfa A358 over Adams Branch in Gibson County, Tennessee. It was built in 1995, so it is 30 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 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 38 ft (11.6 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A358
CrossesAdams Branch
Location4.9 MI NW JCT SR43&SR77
RouteCounty Highway 358
CountyGibson County
StateTennessee
Coordinates35.98297, -88.80019
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$245,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A358 over Adams Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A358 over Adams 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 A358 over Adams Branch carry?

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

How long is Nfa A358 over Adams Branch?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 21 ft wide.

Who owns Nfa A358 over Adams Branch?

It is owned by the County Highway Agency.