US Bridges

Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv

Fair

Gibson County, Tennessee · 4.1 MI NW JCT SR43&SR77 · Structure no. 27008600009

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
923
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv is a prestressed concrete stringer/multi-beam or girder carrying Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv in Gibson County, Tennessee. It was built in 1984, so it is 41 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.

It carries about 923 vehicles a day, roughly 3% of them trucks, projected to reach 1,477 by 2042. The structure is 144 ft (43.9 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 860 (sa 2714)
CrossesRutherford Fk. Obion Riv
Location4.1 MI NW JCT SR43&SR77
RouteCounty Highway 860
Coordinates35.97875, -88.77184
Functional classRural Minor Collector

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span56 ft (17.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic923 (2021)
Projected traffic1,477 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 860 (sa 2714) over Rutherford Fk. Obion 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 860 (sa 2714) over Rutherford Fk. Obion Riv carry?

About 923 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv?

The structure is 144 ft (43.9 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns Nfa 860 (sa 2714) over Rutherford Fk. Obion Riv?

It is owned by the County Highway Agency.