US Bridges

NC49 Sbl over Rocky River

Good

Cabarrus County, North Carolina · 0.5 Mi. S. Jct. SR1307 · Structure no. 000000000250357

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
13,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC49 Sbl over Rocky River is a prestressed concrete continuous stringer/multi-beam or girder carrying NC49 Sbl over Rocky River in Cabarrus County, North Carolina. It was built in 2006, so it is 19 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 13,500 vehicles a day, roughly 12% of them trucks, projected to reach 27,000 by 2040. The structure is 180 ft (54.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC49 Sbl
CrossesRocky River
Location0.5 Mi. S. Jct. SR1307
RouteState Highway 49
Coordinates35.33264, -80.62803
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length180 ft (54.8 m)
Longest span64 ft (19.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2022)
Projected traffic27,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 NC49 Sbl over Rocky River built?

It was built in 2006, making it 19 years old in 2025.

What condition is NC49 Sbl over Rocky River 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 December 2023.

How much traffic does NC49 Sbl over Rocky River carry?

About 13,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC49 Sbl over Rocky River?

The structure is 180 ft (54.8 m) long with a longest span of 64 ft (19.5 m) and a deck 40 ft wide.

Who owns NC49 Sbl over Rocky River?

It is owned by the State Highway Agency.