US Bridges

Nfa A396 over Cottnell Branch

Fair

Weakley County, Tennessee · 2.5 MI S of Greenfield · Structure no. 920A3960001

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A396 over Cottnell Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa A396 over Cottnell Branch in Weakley County, Tennessee. It was built in 2003, so it is 22 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2040. The structure is 65 ft (19.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A396
CrossesCottnell Branch
Location2.5 MI S of Greenfield
RouteCounty Highway 396
CountyWeakley County
StateTennessee
Coordinates36.13009, -88.78202
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A396 over Cottnell Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa A396 over Cottnell 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 October 2024.

How much traffic does Nfa A396 over Cottnell Branch carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A396 over Cottnell Branch?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns Nfa A396 over Cottnell Branch?

It is owned by the County Highway Agency.