US Bridges

SR1331 over I-77

Fair

Yadkin County, North Carolina · .3 MI.E.JCT.SR1352 · Structure no. 000000001970107

Built
1963
62 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
227 ft
4 main spans
Daily traffic
750
2021 count
Owner
State
State Highway Agency

About this bridge

SR1331 over I-77 is a steel stringer/multi-beam or girder carrying SR1331 over I-77 in Yadkin County, North Carolina. It was built in 1963, so it is 62 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 fair condition with a lowest component rating of 5 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 750 vehicles a day, roughly 6% of them trucks, projected to reach 1,500 by 2040. The structure is 227 ft (69.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1331
CrossesI-77
Location.3 MI.E.JCT.SR1352
RouteState Highway 1331
CountyYadkin County
StateNorth Carolina
Coordinates36.21534, -80.81096
Functional classRural Minor Collector

Condition and inspection

Fair

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

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length227 ft (69.1 m)
Longest span57 ft (17.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2021)
Projected traffic1,500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1331 over I-77 built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR1331 over I-77 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 July 2023.

How much traffic does SR1331 over I-77 carry?

About 750 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1331 over I-77?

The structure is 227 ft (69.1 m) long with a longest span of 57 ft (17.3 m) and a deck 33 ft wide.

Who owns SR1331 over I-77?

It is owned by the State Highway Agency.