US Bridges

Mockingbird RD over Branch

Fair

Tipton County, Tennessee · .5 MI N of Shelby CO · Structure no. 840B0780001

Built
1984
41 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
46 ft
5 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Mockingbird RD over Branch is a steel culvert carrying Mockingbird RD over Branch in Tipton 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 5 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 46 ft (13.9 m) long and 60 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesMockingbird RD
CrossesBranch
Location.5 MI N of Shelby CO
RouteCounty Highway 78
CountyTipton County
StateTennessee
Coordinates35.39583, -89.69537
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadH 15
Structure length46 ft (13.9 m)
Longest span7 ft (2.1 m)
Deck width60 ft (18.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mockingbird RD over Branch built?

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

What condition is Mockingbird RD over Branch 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 February 2024.

How much traffic does Mockingbird RD over Branch carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Mockingbird RD over Branch?

The structure is 46 ft (13.9 m) long with a longest span of 7 ft (2.1 m) and a deck 60 ft wide.

Who owns Mockingbird RD over Branch?

It is owned by the County Highway Agency.