US Bridges

SR1397 over I-74

Good

Surry County, North Carolina · 0.3 MI.S.JCT.SR1398 · Structure no. 000000001710358

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
2 main spans
Daily traffic
300
2019 count
Owner
State
State Highway Agency

About this bridge

SR1397 over I-74 is a steel continuous stringer/multi-beam or girder carrying SR1397 over I-74 in Surry County, North Carolina. It was built in 1996, so it is 29 years old, younger 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 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 228 ft (69.4 m) long and 27 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR1397
CrossesI-74
Location0.3 MI.S.JCT.SR1398
RouteState Highway 1379
Coordinates36.48624, -80.71943
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length228 ft (69.4 m)
Longest span117 ft (35.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 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 SR1397 over I-74 built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR1397 over I-74 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 October 2023.

How much traffic does SR1397 over I-74 carry?

About 300 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1397 over I-74?

The structure is 228 ft (69.4 m) long with a longest span of 117 ft (35.6 m) and a deck 27 ft wide.

Who owns SR1397 over I-74?

It is owned by the State Highway Agency.