US Bridges

Nfa A728 over Rutherford Fk. Obion Rv

Fair

Carroll County, Tennessee · 4.4 MI N JCT SR1&SR104 · Structure no. 090A7280001

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A728 over Rutherford Fk. Obion Rv is a prestressed concrete box beam or girders - single or spread carrying Nfa A728 over Rutherford Fk. Obion Rv in Carroll 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 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 70 vehicles a day, roughly 4% of them trucks, projected to reach 112 by 2039. The structure is 75 ft (22.9 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa A728
CrossesRutherford Fk. Obion Rv
Location4.4 MI N JCT SR1&SR104
RouteCounty Highway 728
CountyCarroll County
StateTennessee
Coordinates35.92061, -88.54806
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 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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating55.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 A728 over Rutherford Fk. Obion Rv built?

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

What condition is Nfa A728 over Rutherford Fk. Obion Rv 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 A728 over Rutherford Fk. Obion Rv carry?

About 70 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A728 over Rutherford Fk. Obion Rv?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Nfa A728 over Rutherford Fk. Obion Rv?

It is owned by the County Highway Agency.