US Bridges

SR2329 over Rocky Branch

Good

Wake County, North Carolina · 0.2 MI N JCT SR2320 · Structure no. 000000001830186

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR2329 over Rocky Branch is a concrete continuous culvert carrying SR2329 over Rocky Branch in Wake County, North Carolina. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 7% of them trucks, projected to reach 3,200 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR2329
CrossesRocky Branch
Location0.2 MI N JCT SR2320
RouteState Highway 2329
CountyWake County
StateNorth Carolina
Coordinates35.84531, -78.37431
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic3,200 by 2040
Trucks7%
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 SR2329 over Rocky Branch built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR2329 over Rocky Branch 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 October 2024.

How much traffic does SR2329 over Rocky Branch carry?

About 1,600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR2329 over Rocky Branch?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m).

Who owns SR2329 over Rocky Branch?

It is owned by the State Highway Agency.