US Bridges

FAU 400 over Watauga River & 04263

Good

Carter County, Tennessee · 2.2 M E of Elizbethton · Structure no. 10SR0370025

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
400 ft
4 main spans
Daily traffic
10,288
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 400 over Watauga River & 04263 is a prestressed concrete continuous box beam or girders - multiple carrying FAU 400 over Watauga River & 04263 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,288 vehicles a day, roughly 4% of them trucks, projected to reach 12,790 by 2041. The structure is 400 ft (121.9 m) long and 90 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 400
CrossesWatauga River & 04263
Location2.2 M E of Elizbethton
RouteU.S. Route 19
Coordinates36.35546, -82.22395
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length400 ft (121.9 m)
Longest span100 ft (30.6 m)
Deck width90 ft (27.4 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,288 (2021)
Projected traffic12,790 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAU 400 over Watauga River & 04263 built?

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

What condition is FAU 400 over Watauga River & 04263 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 June 2023.

How much traffic does FAU 400 over Watauga River & 04263 carry?

About 10,288 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 400 over Watauga River & 04263?

The structure is 400 ft (121.9 m) long with a longest span of 100 ft (30.6 m) and a deck 90 ft wide.

Who owns FAU 400 over Watauga River & 04263?

It is owned by the State Highway Agency.