US Bridges

NC268 Byp over I-77

Fair

Surry County, North Carolina · 0.4 MI.W.JCT.SR1142 · Structure no. 000000001710087

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
2 main spans
Daily traffic
6,100
2021 count
Owner
State
State Highway Agency

About this bridge

NC268 Byp over I-77 is a steel continuous stringer/multi-beam or girder carrying NC268 Byp over I-77 in Surry County, North Carolina. It was built in 1974, so it is 51 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 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 6,100 vehicles a day, roughly 7% of them trucks, projected to reach 12,200 by 2040. The structure is 279 ft (85 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNC268 Byp
CrossesI-77
Location0.4 MI.W.JCT.SR1142
RouteState Highway 268
Coordinates36.28027, -80.82154
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length279 ft (85 m)
Longest span102 ft (31 m)
Deck width57 ft (17.3 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2021)
Projected traffic12,200 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 NC268 Byp over I-77 built?

It was built in 1974, making it 51 years old in 2025.

What condition is NC268 Byp 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 January 2024.

How much traffic does NC268 Byp over I-77 carry?

About 6,100 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC268 Byp over I-77?

The structure is 279 ft (85 m) long with a longest span of 102 ft (31 m) and a deck 57 ft wide.

Who owns NC268 Byp over I-77?

It is owned by the State Highway Agency.