US Bridges

Nfa 812 (sa 0902) over Rutherford Fk Obion Rive

Fair

Carroll County, Tennessee · 3.5 MI NW JCT SR1&SR104 · Structure no. 09008120003

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
510
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 812 (sa 0902) over Rutherford Fk Obion Rive is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 812 (sa 0902) over Rutherford Fk Obion Rive in Carroll County, Tennessee. It was built in 1975, so it is 50 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 510 vehicles a day, roughly 3% of them trucks, projected to reach 816 by 2042. The structure is 176 ft (53.6 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 812 (sa 0902)
CrossesRutherford Fk Obion Rive
Location3.5 MI NW JCT SR1&SR104
RouteCounty Highway 812
CountyCarroll County
StateTennessee
Coordinates35.90736, -88.575
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length176 ft (53.6 m)
Longest span59 ft (18.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2021)
Projected traffic816 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 812 (sa 0902) over Rutherford Fk Obion Rive built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 812 (sa 0902) over Rutherford Fk Obion Rive 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 812 (sa 0902) over Rutherford Fk Obion Rive carry?

About 510 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 812 (sa 0902) over Rutherford Fk Obion Rive?

The structure is 176 ft (53.6 m) long with a longest span of 59 ft (18.1 m) and a deck 36 ft wide.

Who owns Nfa 812 (sa 0902) over Rutherford Fk Obion Rive?

It is owned by the County Highway Agency.