US Bridges

SR1668 over Dan River

Good

Stokes County, North Carolina · 100 Ft. S. Jct. SR1666 · Structure no. 000000001690133

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
320 ft
3 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

SR1668 over Dan River is a steel continuous stringer/multi-beam or girder carrying SR1668 over Dan River in Stokes County, North Carolina. It was built in 2006, so it is 19 years old, younger than the North Carolina average of 38.7 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 320 ft (97.5 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1668
CrossesDan River
Location100 Ft. S. Jct. SR1666
RouteState Highway 1668
Coordinates36.42815, -80.21328
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.9 US tons
Inventory rating56 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length320 ft (97.5 m)
Longest span145 ft (44.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic200 by 2040
Trucks6%
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

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 SR1668 over Dan River built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR1668 over Dan 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 February 2025.

How much traffic does SR1668 over Dan River carry?

About 100 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1668 over Dan River?

The structure is 320 ft (97.5 m) long with a longest span of 145 ft (44.1 m) and a deck 27 ft wide.

Who owns SR1668 over Dan River?

It is owned by the State Highway Agency.