US Bridges

SR1300 over Rocky River

Fair

Chatham County, North Carolina · 0.3 Mi. S. Jct. SR1307 · Structure no. 000000000370464

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
550
2018 count
Owner
State
State Highway Agency

About this bridge

SR1300 over Rocky River is a concrete continuous culvert carrying SR1300 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 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 550 vehicles a day, roughly 6% of them trucks, projected to reach 1,100 by 2040. The structure is 33 ft (10 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1300
CrossesRocky River
Location0.3 Mi. S. Jct. SR1307
RouteState Highway 1300
Coordinates35.80708, -79.52761
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2018)
Projected traffic1,100 by 2040
Trucks6%
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 SR1300 over Rocky River built?

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

What condition is SR1300 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 June 2023.

How much traffic does SR1300 over Rocky River carry?

About 550 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1300 over Rocky River?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).

Who owns SR1300 over Rocky River?

It is owned by the State Highway Agency.