US Bridges

Nfa 1814 (sa 4310) over Branch

Fair

Humphreys County, Tennessee · 6 M. Nw. Waverly · Structure no. 43E03640007

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
754
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1814 (sa 4310) over Branch is a concrete continuous culvert carrying Nfa 1814 (sa 4310) over Branch in Humphreys County, Tennessee. It was built in 1975, so it is 50 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 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 754 vehicles a day, roughly 3% of them trucks, projected to reach 1,206 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1814 (sa 4310)
CrossesBranch
Location6 M. Nw. Waverly
RouteCounty Highway 1814
CountyHumphreys County
StateTennessee
Coordinates36.17072, -87.8471
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic754 (2021)
Projected traffic1,206 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1814 (sa 4310) over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 1814 (sa 4310) 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 September 2023.

How much traffic does Nfa 1814 (sa 4310) over Branch carry?

About 754 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1814 (sa 4310) over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1814 (sa 4310) over Branch?

It is owned by the County Highway Agency.