US Bridges

Gregson Drive over Wms.Creek Trib.

Fair

Wake County, North Carolina · 0.1 MI.S.JCT.US64 · Structure no. 000000001830623

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
3,000
1991 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gregson Drive over Wms.Creek Trib. is a prestressed concrete slab carrying Gregson Drive over Wms.Creek Trib. in Wake County, North Carolina. It was built in 1986, so it is 39 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,000 by 2040. The structure is 38 ft (11.5 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGregson Drive
CrossesWms.Creek Trib.
Location0.1 MI.S.JCT.US64
RouteCity Street 0
Coordinates35.73874, -78.80544
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span37 ft (11.2 m)
Deck width39 ft (11.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (1991)
Projected traffic6,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Gregson Drive over Wms.Creek Trib. built?

It was built in 1986, making it 39 years old in 2025.

What condition is Gregson Drive over Wms.Creek Trib. 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 March 2024.

How much traffic does Gregson Drive over Wms.Creek Trib. carry?

About 3,000 vehicles per day (1991 count), of which roughly 7% are trucks.

How long is Gregson Drive over Wms.Creek Trib.?

The structure is 38 ft (11.5 m) long with a longest span of 37 ft (11.2 m) and a deck 39 ft wide.

Who owns Gregson Drive over Wms.Creek Trib.?

It is owned by the City or Municipal Highway Agency.