US Bridges

SR1608 over Piney Branch

PoorPosted for load

Ashe County, North Carolina · .6 MI.N.JCT.SR1603 · Structure no. 000000000090248

Built
1964
61 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
60
2016 count
Owner
State
State Highway Agency

About this bridge

SR1608 over Piney Branch is a steel stringer/multi-beam or girder carrying SR1608 over Piney Branch in Ashe County, North Carolina. It was built in 1964, so it is 61 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 60 vehicles a day, roughly 6% of them trucks, projected to reach 120 by 2040. The structure is 36 ft (10.9 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1608
CrossesPiney Branch
Location.6 MI.N.JCT.SR1603
RouteState Highway 1608
Coordinates36.44109, -81.28399
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating9.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2016)
Projected traffic120 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1608 over Piney Branch built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR1608 over Piney Branch 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 December 2023.

How much traffic does SR1608 over Piney Branch carry?

About 60 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1608 over Piney Branch?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 20 ft wide.

Who owns SR1608 over Piney Branch?

It is owned by the State Highway Agency.