US Bridges

Nfa A379 (sa 2711) over Overflow Forked Deer Riv

Fair

Gibson County, Tennessee · 3.7 MI N JCT SR76&SR186 · Structure no. 270A3790005

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
99 ft
3 main spans
Daily traffic
790
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A379 (sa 2711) over Overflow Forked Deer Riv is a concrete box beam or girders - multiple carrying Nfa A379 (sa 2711) over Overflow Forked Deer Riv in Gibson County, Tennessee. It was built in 1970, so it is 55 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 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 790 vehicles a day, roughly 2% of them trucks, projected to reach 1,264 by 2042. The structure is 99 ft (30.2 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesNfa A379 (sa 2711)
CrossesOverflow Forked Deer Riv
Location3.7 MI N JCT SR76&SR186
RouteCounty Highway 379
CountyGibson County
StateTennessee
Coordinates35.92639, -88.84011
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2020)
Projected traffic1,264 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$704,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A379 (sa 2711) over Overflow Forked Deer Riv built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A379 (sa 2711) over Overflow Forked Deer Riv 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 A379 (sa 2711) over Overflow Forked Deer Riv carry?

About 790 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A379 (sa 2711) over Overflow Forked Deer Riv?

The structure is 99 ft (30.2 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Nfa A379 (sa 2711) over Overflow Forked Deer Riv?

It is owned by the County Highway Agency.