US Bridges

SR1649 over I-77

Good

Surry County, North Carolina · .8 MI.W.JCT.SR1602 · Structure no. 000000001710214

Built
1974
51 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
4 main spans
Daily traffic
100
1996 count
Owner
State
State Highway Agency

About this bridge

SR1649 over I-77 is a steel continuous stringer/multi-beam or girder carrying SR1649 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 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 251 ft (76.5 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1649
CrossesI-77
Location.8 MI.W.JCT.SR1602
RouteState Highway 1649
Coordinates36.55381, -80.74238
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length251 ft (76.5 m)
Longest span91 ft (27.7 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1996)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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 SR1649 over I-77 built?

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

What condition is SR1649 over I-77 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 SR1649 over I-77 carry?

About 100 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is SR1649 over I-77?

The structure is 251 ft (76.5 m) long with a longest span of 91 ft (27.7 m) and a deck 32 ft wide.

Who owns SR1649 over I-77?

It is owned by the State Highway Agency.