US Bridges

Nfa 1336 (sa 1302) over Lower Fall Branch

Fair

Claiborne County, Tennessee · S of SR63 at Speedwell · Structure no. 13S24760001

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
876
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1336 (sa 1302) over Lower Fall Branch is a concrete continuous culvert carrying Nfa 1336 (sa 1302) over Lower Fall Branch in Claiborne County, Tennessee. It was built in 1960, so it is 65 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 876 vehicles a day, roughly 3% of them trucks, projected to reach 1,354 by 2041. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1336 (sa 1302)
CrossesLower Fall Branch
LocationS of SR63 at Speedwell
RouteCounty Highway 1336
CountyClaiborne County
StateTennessee
Coordinates36.4559, -83.87865
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic876 (2021)
Projected traffic1,354 by 2041
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 1336 (sa 1302) over Lower Fall Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 1336 (sa 1302) over Lower Fall 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 May 2023.

How much traffic does Nfa 1336 (sa 1302) over Lower Fall Branch carry?

About 876 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1336 (sa 1302) over Lower Fall Branch?

The structure is 40 ft (12.3 m) long with a longest span of 12 ft (3.8 m).

Who owns Nfa 1336 (sa 1302) over Lower Fall Branch?

It is owned by the County Highway Agency.