US Bridges

I-77 Sbl over NC67

Fair

Yadkin County, North Carolina · .4 MI.E.JCT.SR1352 · Structure no. 000000001970115

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
3 main spans
Daily traffic
15,250
2020 count
Owner
State
State Highway Agency

About this bridge

I-77 Sbl over NC67 is a steel stringer/multi-beam or girder carrying I-77 Sbl over NC67 in Yadkin 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 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 15,250 vehicles a day, roughly 23% of them trucks, projected to reach 30,500 by 2040. The structure is 145 ft (44.1 m) long and 33 ft wide.

CarriesI-77 Sbl
CrossesNC67
Location.4 MI.E.JCT.SR1352
RouteInterstate 77
Coordinates36.23934, -80.81791
Functional classRural Principal Arterial - Interstate

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 inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length145 ft (44.1 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2020)
Projected traffic30,500 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Sbl over NC67 built?

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

What condition is I-77 Sbl over NC67 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 June 2023.

How much traffic does I-77 Sbl over NC67 carry?

About 15,250 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I-77 Sbl over NC67?

The structure is 145 ft (44.1 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns I-77 Sbl over NC67?

It is owned by the State Highway Agency.