US Bridges

SR1305 (cooper Rd) over Rocky River

Good

Chatham County, North Carolina · 0.2 Mi. N. Jct. SR1306 · Structure no. 000000000370287

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
110
2016 count
Owner
State
State Highway Agency

About this bridge

SR1305 (cooper Rd) over Rocky River is a concrete culvert carrying SR1305 (cooper Rd) over Rocky River in Chatham County, North Carolina. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2040. The structure is 32 ft (9.7 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1305 (cooper Rd)
CrossesRocky River
Location0.2 Mi. N. Jct. SR1306
RouteState Highway 1305
Coordinates35.81477, -79.53887
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
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 rating74 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length32 ft (9.7 m)
Longest span32 ft (9.7 m)
Deck width48 ft (14.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2016)
Projected traffic220 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1305 (cooper Rd) over Rocky River built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR1305 (cooper Rd) 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 May 2023.

How much traffic does SR1305 (cooper Rd) over Rocky River carry?

About 110 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1305 (cooper Rd) over Rocky River?

The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 48 ft wide.

Who owns SR1305 (cooper Rd) over Rocky River?

It is owned by the State Highway Agency.