US Bridges

US64 70 over Southern RR

Poor

Burke County, North Carolina · .6 MI.W.JCT.US64BUS · Structure no. 000000000230099

Built
1955
70 years old, rebuilt 1974
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
193 ft
5 main spans
Daily traffic
21,000
2022 count
Owner
State
State Highway Agency

About this bridge

US64 70 over Southern RR is a steel stringer/multi-beam or girder carrying US64 70 over Southern RR in Burke County, North Carolina. It was built in 1955 and reconstructed in 1974, so it is 70 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 21,000 vehicles a day, roughly 12% of them trucks, projected to reach 42,000 by 2040. The structure is 193 ft (58.8 m) long and 74 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS64 70
CrossesSouthern RR
Location.6 MI.W.JCT.US64BUS
RouteU.S. Route 64
Coordinates35.73044, -81.70346
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span42 ft (12.8 m)
Deck width74 ft (22.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2022)
Projected traffic42,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US64 70 over Southern RR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1974.

What condition is US64 70 over Southern RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does US64 70 over Southern RR carry?

About 21,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US64 70 over Southern RR?

The structure is 193 ft (58.8 m) long with a longest span of 42 ft (12.8 m) and a deck 74 ft wide.

Who owns US64 70 over Southern RR?

It is owned by the State Highway Agency.