US Bridges

Nfa 1473 (sa 8419) over Branch

FairPosted for load

Tipton County, Tennessee · 4.5 MI W of SR59 · Structure no. 84014730007

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
2,229
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1473 (sa 8419) over Branch is a concrete channel beam carrying Nfa 1473 (sa 8419) over Branch in Tipton County, Tennessee. It was built in 1991, so it is 34 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. Its operating status is: posted for load restriction.

It carries about 2,229 vehicles a day, roughly 3% of them trucks, projected to reach 3,190 by 2042. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1473 (sa 8419)
CrossesBranch
Location4.5 MI W of SR59
RouteCounty Highway 1473
Coordinates35.50311, -89.67741
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,229 (2021)
Projected traffic3,190 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$562,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1473 (sa 8419) over Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa 1473 (sa 8419) 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 March 2024.

How much traffic does Nfa 1473 (sa 8419) over Branch carry?

About 2,229 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1473 (sa 8419) over Branch?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Nfa 1473 (sa 8419) over Branch?

It is owned by the County Highway Agency.