US Bridges

SR1304 over Rocky River

Good

Cabarrus County, North Carolina · 0.1 Mi. N. Jct. SR1493 · Structure no. 000000000250187

Built
1997
28 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
14,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1304 over Rocky River is a prestressed concrete slab carrying SR1304 over Rocky River in Cabarrus County, North Carolina. It was built in 1997, so it is 28 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 8 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 7% of them trucks, projected to reach 29,000 by 2040. The structure is 122 ft (37.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1304
CrossesRocky River
Location0.1 Mi. N. Jct. SR1493
RouteState Highway 1304
Coordinates35.33499, -80.64436
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.1 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2022)
Projected traffic29,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1304 over Rocky River built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1304 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 SR1304 over Rocky River carry?

About 14,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1304 over Rocky River?

The structure is 122 ft (37.1 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns SR1304 over Rocky River?

It is owned by the State Highway Agency.