US Bridges

Nfa 822 (sa 4929) over S Fk Forked Deer River

Fair

Lauderdale County, Tennessee · W. of Crockett Co. · Structure no. 49F00120005

Built
1992
33 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,140 ft
10 main spans
Daily traffic
683
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 822 (sa 4929) over S Fk Forked Deer River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 822 (sa 4929) over S Fk Forked Deer River in Lauderdale County, Tennessee. It was built in 1992, so it is 33 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 683 vehicles a day, roughly 3% of them trucks, projected to reach 1,005 by 2041. The structure is 1,140 ft (347.5 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 822 (sa 4929)
CrossesS Fk Forked Deer River
LocationW. of Crockett Co.
RouteCounty Highway 822
Coordinates35.86183, -89.35014
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating37.8 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length1,140 ft (347.5 m)
Longest span120 ft (36.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic683 (2021)
Projected traffic1,005 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 822 (sa 4929) over S Fk Forked Deer River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa 822 (sa 4929) over S Fk Forked Deer River 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 December 2023.

How much traffic does Nfa 822 (sa 4929) over S Fk Forked Deer River carry?

About 683 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 822 (sa 4929) over S Fk Forked Deer River?

The structure is 1,140 ft (347.5 m) long with a longest span of 120 ft (36.6 m) and a deck 36 ft wide.

Who owns Nfa 822 (sa 4929) over S Fk Forked Deer River?

It is owned by the County Highway Agency.