US Bridges

SR1594 over Watauga River

PoorPosted for load

Watauga County, North Carolina · 0.2 MI.S.JCT.NC105 · Structure no. 000000001890319

Built
1965
60 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
2 main spans
Daily traffic
350
1996 count
Owner
State
State Highway Agency

About this bridge

SR1594 over Watauga River is a steel stringer/multi-beam or girder carrying SR1594 over Watauga River in Watauga County, North Carolina. It was built in 1965, so it is 60 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 62 ft (18.8 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1594
CrossesWatauga River
Location0.2 MI.S.JCT.NC105
RouteState Highway 1594
Coordinates36.14622, -81.79126
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.9 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (1996)
Projected traffic700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1594 over Watauga River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR1594 over Watauga River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does SR1594 over Watauga River carry?

About 350 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is SR1594 over Watauga River?

The structure is 62 ft (18.8 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns SR1594 over Watauga River?

It is owned by the State Highway Agency.