US Bridges

SR1646 over North Deep Creek

Fair

Yadkin County, North Carolina · .6 MI.N.JCT.SR1146 · Structure no. 000000001970130

Built
2000
25 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
232 ft
3 main spans
Daily traffic
450
2019 count
Owner
State
State Highway Agency

About this bridge

SR1646 over North Deep Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1646 over North Deep Creek in Yadkin County, North Carolina. It was built in 2000, so it is 25 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 450 vehicles a day, roughly 6% of them trucks, projected to reach 900 by 2040. The structure is 232 ft (70.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1646
CrossesNorth Deep Creek
Location.6 MI.N.JCT.SR1146
RouteState Highway 1646
Coordinates36.12606, -80.59159
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span82 ft (24.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2019)
Projected traffic900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SR1646 over North Deep Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR1646 over North Deep Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does SR1646 over North Deep Creek carry?

About 450 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1646 over North Deep Creek?

The structure is 232 ft (70.7 m) long with a longest span of 82 ft (24.9 m) and a deck 31 ft wide.

Who owns SR1646 over North Deep Creek?

It is owned by the State Highway Agency.