US Bridges

Nfa 2640 (sa 8206) over Branch

Fair

Sullivan County, Tennessee · Fordtown Rd-Btwn I81&US23 · Structure no. 82026400001

Built
1987
38 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
1,547
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 2640 (sa 8206) over Branch is a concrete continuous culvert carrying Nfa 2640 (sa 8206) over Branch in Sullivan County, Tennessee. It was built in 1987, so it is 38 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 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 1,547 vehicles a day, roughly 4% of them trucks, projected to reach 2,197 by 2042. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa 2640 (sa 8206)
CrossesBranch
LocationFordtown Rd-Btwn I81&US23
RouteCity Street 2640
CountySullivan County
StateTennessee
Coordinates36.43559, -82.54743
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,547 (2021)
Projected traffic2,197 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Nfa 2640 (sa 8206) over Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 2640 (sa 8206) 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 2640 (sa 8206) over Branch carry?

About 1,547 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 2640 (sa 8206) over Branch?

The structure is 53 ft (16.2 m) long with a longest span of 16 ft (4.9 m).

Who owns Nfa 2640 (sa 8206) over Branch?

It is owned by the City or Municipal Highway Agency.