US Bridges

SR1711 over US421

Good

Yadkin County, North Carolina · .2 MI.S.JCT.SR1605 · Structure no. 000000001970090

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
2 main spans
Daily traffic
4,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1711 over US421 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1711 over US421 in Yadkin County, North Carolina. It was built in 2023, so it is 2 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 4,800 vehicles a day, roughly 6% of them trucks, projected to reach 9,600 by 2040. The structure is 175 ft (53.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR1711
CrossesUS421
Location.2 MI.S.JCT.SR1605
RouteState Highway 1711
CountyYadkin County
StateNorth Carolina
Coordinates36.11742, -80.54506
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span88 ft (26.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2021)
Projected traffic9,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1711 over US421 built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR1711 over US421 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 November 2023.

How much traffic does SR1711 over US421 carry?

About 4,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1711 over US421?

The structure is 175 ft (53.3 m) long with a longest span of 88 ft (26.8 m) and a deck 36 ft wide.

Who owns SR1711 over US421?

It is owned by the State Highway Agency.