US Bridges

SR1004 over Rocky River

Fair

Chatham County, North Carolina · 0.1 Mi. N. Jct. SR1316 · Structure no. 000000000370257

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
3 main spans
Daily traffic
3,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR1004 over Rocky River is a steel stringer/multi-beam or girder carrying SR1004 over Rocky River in Chatham County, North Carolina. It was built in 1970, so it is 55 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 5 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 3,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,400 by 2040. The structure is 210 ft (64 m) long and 38 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR1004
CrossesRocky River
Location0.1 Mi. N. Jct. SR1316
RouteState Highway 1004
CountyChatham County
StateNorth Carolina
Coordinates35.76199, -79.44312
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length210 ft (64 m)
Longest span69 ft (21 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2021)
Projected traffic6,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1004 over Rocky River built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR1004 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 March 2024.

How much traffic does SR1004 over Rocky River carry?

About 3,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1004 over Rocky River?

The structure is 210 ft (64 m) long with a longest span of 69 ft (21 m) and a deck 38 ft wide.

Who owns SR1004 over Rocky River?

It is owned by the State Highway Agency.