US Bridges

Nfa 1077 (sa 1011) over Watauga River

Good

Carter County, Tennessee · Due E. of Elizabethton · Structure no. 10007430005

Built
2010
15 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
296 ft
4 main spans
Daily traffic
1,005
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1077 (sa 1011) over Watauga River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1077 (sa 1011) over Watauga River in Carter County, Tennessee. It was built in 2010, so it is 15 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,005 vehicles a day, roughly 5% of them trucks, projected to reach 1,627 by 2041. The structure is 296 ft (90.1 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1077 (sa 1011)
CrossesWatauga River
LocationDue E. of Elizabethton
RouteCounty Highway 1077
CountyCarter County
StateTennessee
Coordinates36.35187, -82.15427
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length296 ft (90.1 m)
Longest span96 ft (29.3 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,005 (2021)
Projected traffic1,627 by 2041
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1077 (sa 1011) over Watauga River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa 1077 (sa 1011) over Watauga River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Nfa 1077 (sa 1011) over Watauga River carry?

About 1,005 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1077 (sa 1011) over Watauga River?

The structure is 296 ft (90.1 m) long with a longest span of 96 ft (29.3 m) and a deck 42 ft wide.

Who owns Nfa 1077 (sa 1011) over Watauga River?

It is owned by the County Highway Agency.