US Bridges

SR1135 over Rocky Run

Good

Orange County, North Carolina · 0.2 Mi. S. Jct. SR1134 · Structure no. 000000001350214

Built
2014
11 years old
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
640
2016 count
Owner
State
State Highway Agency

About this bridge

SR1135 over Rocky Run is a prestressed concrete slab carrying SR1135 over Rocky Run in Orange County, North Carolina. It was built in 2014, so it is 11 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 640 vehicles a day, roughly 6% of them trucks, projected to reach 1,280 by 2040. The structure is 60 ft (18.2 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1135
CrossesRocky Run
Location0.2 Mi. S. Jct. SR1134
RouteState Highway 1135
Coordinates36.05581, -79.13876
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 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 rating89.9 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.2 m)
Longest span57 ft (17.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2016)
Projected traffic1,280 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1135 over Rocky Run built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR1135 over Rocky Run 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 March 2021.

How much traffic does SR1135 over Rocky Run carry?

About 640 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1135 over Rocky Run?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.3 m) and a deck 27 ft wide.

Who owns SR1135 over Rocky Run?

It is owned by the State Highway Agency.