US Bridges

Nfa 810 (sa 4821) over Drainage Ditch

Fair

Tipton County, Tennessee · 3 MI N of Fayette Co. · Structure no. 84S80710019

Built
1957
68 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
142 ft
5 main spans
Daily traffic
861
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 810 (sa 4821) over Drainage Ditch is a concrete tee beam carrying Nfa 810 (sa 4821) over Drainage Ditch in Tipton County, Tennessee. It was built in 1957, so it is 68 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 861 vehicles a day, roughly 3% of them trucks, projected to reach 1,254 by 2042. The structure is 142 ft (43.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 810 (sa 4821)
CrossesDrainage Ditch
Location3 MI N of Fayette Co.
RouteCounty Highway 810
CountyTipton County
StateTennessee
Coordinates35.42272, -89.63533
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic861 (2021)
Projected traffic1,254 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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 810 (sa 4821) over Drainage Ditch built?

It was built in 1957, making it 68 years old in 2025.

What condition is Nfa 810 (sa 4821) over Drainage Ditch 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 2024.

How much traffic does Nfa 810 (sa 4821) over Drainage Ditch carry?

About 861 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 810 (sa 4821) over Drainage Ditch?

The structure is 142 ft (43.3 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Nfa 810 (sa 4821) over Drainage Ditch?

It is owned by the County Highway Agency.