US Bridges

NC24/NC27 over Rocky River

Good

Cabarrus County, North Carolina · 0.2 Mi. W. Jct. SR1100 · Structure no. 000000000250022

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
520 ft
6 main spans
Daily traffic
10,250
2022 count
Owner
State
State Highway Agency

About this bridge

NC24/NC27 over Rocky River is a prestressed concrete slab carrying NC24/NC27 over Rocky River in Cabarrus County, North Carolina. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,250 vehicles a day, roughly 8% of them trucks, projected to reach 20,500 by 2040. The structure is 520 ft (158.4 m) long and 40 ft wide.

CarriesNC24/NC27
CrossesRocky River
Location0.2 Mi. W. Jct. SR1100
RouteState Highway 24
Coordinates35.25486, -80.47316
Functional classRural 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length520 ft (158.4 m)
Longest span93 ft (28.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,250 (2022)
Projected traffic20,500 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC24/NC27 over Rocky River built?

It was built in 2024, making it 1 years old in 2025.

What condition is NC24/NC27 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 April 2024.

How much traffic does NC24/NC27 over Rocky River carry?

About 10,250 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC24/NC27 over Rocky River?

The structure is 520 ft (158.4 m) long with a longest span of 93 ft (28.3 m) and a deck 40 ft wide.

Who owns NC24/NC27 over Rocky River?

It is owned by the State Highway Agency.