US Bridges

Nfa 1206 (sa 6209) over Branch

Fair

Monroe County, Tennessee · Old SR68-SE of Sweetwater · Structure no. 62012060003

Built
1937
88 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
2,007
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1206 (sa 6209) over Branch is a concrete continuous culvert carrying Nfa 1206 (sa 6209) over Branch in Monroe County, Tennessee. It was built in 1937, so it is 88 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 2,007 vehicles a day, roughly 1% of them trucks, projected to reach 3,211 by 2042. The structure is 29 ft (8.9 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa 1206 (sa 6209)
CrossesBranch
LocationOld SR68-SE of Sweetwater
RouteCounty Highway 1206
CountyMonroe County
StateTennessee
Coordinates35.5726, -84.4187
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 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 inspectionAugust 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length29 ft (8.9 m)
Longest span10 ft (3.2 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,007 (2021)
Projected traffic3,211 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$221,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1206 (sa 6209) over Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is Nfa 1206 (sa 6209) 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 August 2024.

How much traffic does Nfa 1206 (sa 6209) over Branch carry?

About 2,007 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 1206 (sa 6209) over Branch?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3.2 m) and a deck 21 ft wide.

Who owns Nfa 1206 (sa 6209) over Branch?

It is owned by the County Highway Agency.