US Bridges

SR1001 over I-77

Fair

Surry County, North Carolina · .1 MI.E.JCT.SR1341 · Structure no. 000000001710168

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
4 main spans
Daily traffic
6,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1001 over I-77 is a steel stringer/multi-beam or girder carrying SR1001 over I-77 in Surry County, North Carolina. It was built in 1975, so it is 50 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 6,800 vehicles a day, roughly 7% of them trucks, projected to reach 13,600 by 2040. The structure is 252 ft (76.8 m) long and 62 ft wide.

CarriesSR1001
CrossesI-77
Location.1 MI.E.JCT.SR1341
RouteState Highway 1001
Coordinates36.39459, -80.78728
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span90 ft (27.4 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic13,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1001 over I-77 built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR1001 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 December 2023.

How much traffic does SR1001 over I-77 carry?

About 6,800 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1001 over I-77?

The structure is 252 ft (76.8 m) long with a longest span of 90 ft (27.4 m) and a deck 62 ft wide.

Who owns SR1001 over I-77?

It is owned by the State Highway Agency.