US Bridges

US29 Sbl over Rocky River & Access Roa

Good

Cabarrus County, North Carolina · 0.9MI.N.JCT.SR1300 · Structure no. 000000000250019

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
2 main spans
Daily traffic
12,000
2016 count
Owner
State
State Highway Agency

About this bridge

US29 Sbl over Rocky River & Access Roa is a prestressed concrete stringer/multi-beam or girder carrying US29 Sbl over Rocky River & Access Roa in Cabarrus County, North Carolina. It was built in 2016, so it is 9 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 12,000 vehicles a day, roughly 12% of them trucks, projected to reach 24,000 by 2040. The structure is 220 ft (67 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS29 Sbl
CrossesRocky River & Access Roa
Location0.9MI.N.JCT.SR1300
RouteU.S. Route 29
CountyCabarrus County
StateNorth Carolina
Coordinates35.35947, -80.67539
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length220 ft (67 m)
Longest span110 ft (33.5 m)
Deck width56 ft (17.1 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2016)
Projected traffic24,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US29 Sbl over Rocky River & Access Roa built?

It was built in 2016, making it 9 years old in 2025.

What condition is US29 Sbl over Rocky River & Access Roa 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 June 2023.

How much traffic does US29 Sbl over Rocky River & Access Roa carry?

About 12,000 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is US29 Sbl over Rocky River & Access Roa?

The structure is 220 ft (67 m) long with a longest span of 110 ft (33.5 m) and a deck 56 ft wide.

Who owns US29 Sbl over Rocky River & Access Roa?

It is owned by the State Highway Agency.