US Bridges

US70 over Southern Railroad

Good

Burke County, North Carolina · 0.1 MI.E.JCT.SR1152 · Structure no. 000000000230043

Built
1998
27 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
3 main spans
Daily traffic
5,200
2018 count
Owner
State
State Highway Agency

About this bridge

US70 over Southern Railroad is a steel stringer/multi-beam or girder carrying US70 over Southern Railroad in Burke County, North Carolina. It was built in 1998, so it is 27 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 5,200 vehicles a day, roughly 6% of them trucks, projected to reach 10,400 by 2040. The structure is 241 ft (73.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS70
CrossesSouthern Railroad
Location0.1 MI.E.JCT.SR1152
RouteU.S. Route 70
Coordinates35.72912, -81.75859
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 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 rating67.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length241 ft (73.4 m)
Longest span96 ft (29.2 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2018)
Projected traffic10,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 US70 over Southern Railroad built?

It was built in 1998, making it 27 years old in 2025.

What condition is US70 over Southern Railroad 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 September 2021.

How much traffic does US70 over Southern Railroad carry?

About 5,200 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US70 over Southern Railroad?

The structure is 241 ft (73.4 m) long with a longest span of 96 ft (29.2 m) and a deck 34 ft wide.

Who owns US70 over Southern Railroad?

It is owned by the State Highway Agency.