US Bridges

Lake Dam Road over Walnut Creek

Good

Wake County, North Carolina · 0.4 Mi. S.Avent Ferry Rd. · Structure no. 000000001830490

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
200
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Dam Road over Walnut Creek is a prestressed concrete slab carrying Lake Dam Road over Walnut Creek in Wake County, North Carolina. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 7% of them trucks, projected to reach 400 by 2040. The structure is 102 ft (31 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLake Dam Road
CrossesWalnut Creek
Location0.4 Mi. S.Avent Ferry Rd.
RouteCity Street 0
CountyWake County
StateNorth Carolina
Coordinates35.76204, -78.70364
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length102 ft (31 m)
Longest span69 ft (21 m)
Deck width45 ft (13.7 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2018)
Projected traffic400 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 Lake Dam Road over Walnut Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Lake Dam Road over Walnut 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 February 2024.

How much traffic does Lake Dam Road over Walnut Creek carry?

About 200 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Lake Dam Road over Walnut Creek?

The structure is 102 ft (31 m) long with a longest span of 69 ft (21 m) and a deck 45 ft wide.

Who owns Lake Dam Road over Walnut Creek?

It is owned by the City or Municipal Highway Agency.