US Bridges

SR2320 over US64

Fair

Wake County, North Carolina · 0.7 Mi. N. Jct. SR2406 · Structure no. 000000001830208

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
318 ft
2 main spans
Daily traffic
3,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR2320 over US64 is a steel continuous stringer/multi-beam or girder carrying SR2320 over US64 in Wake County, North Carolina. It was built in 1973, so it is 52 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 3,800 vehicles a day, roughly 7% of them trucks, projected to reach 7,600 by 2040. The structure is 318 ft (96.9 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR2320
CrossesUS64
Location0.7 Mi. N. Jct. SR2406
RouteState Highway 2320
CountyWake County
StateNorth Carolina
Coordinates35.83647, -78.30184
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length318 ft (96.9 m)
Longest span136 ft (41.4 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2021)
Projected traffic7,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2320 over US64 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR2320 over US64 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 May 2023.

How much traffic does SR2320 over US64 carry?

About 3,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR2320 over US64?

The structure is 318 ft (96.9 m) long with a longest span of 136 ft (41.4 m) and a deck 38 ft wide.

Who owns SR2320 over US64?

It is owned by the State Highway Agency.