US Bridges

SR1600 over Rocky River

Fair

Cabarrus County, North Carolina · 0.3 Mi. S. Jct. SR1843 · Structure no. 000000000250020

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
1,600
2002 count
Owner
State
State Highway Agency

About this bridge

SR1600 over Rocky River is a prestressed concrete stringer/multi-beam or girder carrying SR1600 over Rocky River in Cabarrus County, North Carolina. It was built in 1985, so it is 40 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,600 vehicles a day, roughly 7% of them trucks, projected to reach 3,200 by 2040. The structure is 126 ft (38.4 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1600
CrossesRocky River
Location0.3 Mi. S. Jct. SR1843
RouteState Highway 1600
CountyCabarrus County
StateNorth Carolina
Coordinates35.45538, -80.76187
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span41 ft (12.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2002)
Projected traffic3,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1600 over Rocky River built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1600 over Rocky River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR1600 over Rocky River carry?

About 1,600 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is SR1600 over Rocky River?

The structure is 126 ft (38.4 m) long with a longest span of 41 ft (12.4 m) and a deck 29 ft wide.

Who owns SR1600 over Rocky River?

It is owned by the State Highway Agency.