US Bridges

US29 US601 Nbl over Southern RR

Good

Cabarrus County, North Carolina · 0.1M. N. Jct. NC73 · Structure no. 000000000250066

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
14,500
2016 count
Owner
State
State Highway Agency

About this bridge

US29 US601 Nbl over Southern RR is a prestressed concrete stringer/multi-beam or girder carrying US29 US601 Nbl over Southern RR in Cabarrus County, North Carolina. It was built in 2019, so it is 6 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 14,500 vehicles a day, roughly 12% of them trucks, projected to reach 29,000 by 2040. The structure is 256 ft (78 m) long and 115 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS29 US601 Nbl
CrossesSouthern RR
Location0.1M. N. Jct. NC73
RouteU.S. Route 29
Coordinates35.43077, -80.60692
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length256 ft (78 m)
Longest span121 ft (36.8 m)
Deck width115 ft (35.1 m)
Roadway width102 ft (31 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2016)
Projected traffic29,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US29 US601 Nbl over Southern RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is US29 US601 Nbl over Southern RR 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 February 2025.

How much traffic does US29 US601 Nbl over Southern RR carry?

About 14,500 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is US29 US601 Nbl over Southern RR?

The structure is 256 ft (78 m) long with a longest span of 121 ft (36.8 m) and a deck 115 ft wide.

Who owns US29 US601 Nbl over Southern RR?

It is owned by the State Highway Agency.