US Bridges

Cary Parkway over Black Creek

Good

Wake County, North Carolina · .2MI.E.JCT.NORWELL Blvd. · Structure no. 000000001830675

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
5 main spans
Daily traffic
8,500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cary Parkway over Black Creek is a prestressed concrete stringer/multi-beam or girder carrying Cary Parkway over Black Creek in Wake County, North Carolina. It was built in 1991, so it is 34 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 8,500 vehicles a day, roughly 6% of them trucks, projected to reach 17,000 by 2040. The structure is 262 ft (79.8 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCary Parkway
CrossesBlack Creek
Location.2MI.E.JCT.NORWELL Blvd.
RouteCity Street 0
Coordinates35.82031, -78.78543
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 rating67.9 US tons
Inventory rating51.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length262 ft (79.8 m)
Longest span59 ft (17.9 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2021)
Projected traffic17,000 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cary Parkway over Black Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cary Parkway over Black Creek 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 2024.

How much traffic does Cary Parkway over Black Creek carry?

About 8,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Cary Parkway over Black Creek?

The structure is 262 ft (79.8 m) long with a longest span of 59 ft (17.9 m) and a deck 32 ft wide.

Who owns Cary Parkway over Black Creek?

It is owned by the City or Municipal Highway Agency.