US Bridges

Nfa A811 over North Fork Harris Fk CR

Fair

Obion County, Tennessee · In South Fulton Tennessee · Structure no. 66L29430001

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
962
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A811 over North Fork Harris Fk CR is a prestressed concrete box beam or girders - multiple carrying Nfa A811 over North Fork Harris Fk CR in Obion 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 962 vehicles a day, roughly 3% of them trucks, projected to reach 1,680 by 2041. The structure is 130 ft (39.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A811
CrossesNorth Fork Harris Fk CR
LocationIn South Fulton Tennessee
RouteCity Street 811
Coordinates36.50019, -88.87956
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic962 (2021)
Projected traffic1,680 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A811 over North Fork Harris Fk CR built?

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

What condition is Nfa A811 over North Fork Harris Fk CR 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 March 2023.

How much traffic does Nfa A811 over North Fork Harris Fk CR carry?

About 962 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa A811 over North Fork Harris Fk CR?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Nfa A811 over North Fork Harris Fk CR?

It is owned by the City or Municipal Highway Agency.