US Bridges

S.State Street over Walnut Creek

Fair

Wake County, North Carolina · 0.07 Mi.N.Jct.Darby St. · Structure no. 000000001830349

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
47 ft
4 main spans
Daily traffic
3,500
1981 count
Owner
City
City or Municipal Highway Agency

About this bridge

S.State Street over Walnut Creek is a concrete continuous culvert carrying S.State Street over Walnut Creek in Wake County, North Carolina. It was built in 1970, so it is 55 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 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,000 by 2040. The structure is 47 ft (14.3 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesS.State Street
CrossesWalnut Creek
Location0.07 Mi.N.Jct.Darby St.
RouteCity Street 0
Coordinates35.75788, -78.62381
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span11 ft (3.3 m)
Deck width60 ft (18.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (1981)
Projected traffic7,000 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 S.State Street over Walnut Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S.State Street over Walnut Creek 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 February 2024.

How much traffic does S.State Street over Walnut Creek carry?

About 3,500 vehicles per day (1981 count), of which roughly 7% are trucks.

How long is S.State Street over Walnut Creek?

The structure is 47 ft (14.3 m) long with a longest span of 11 ft (3.3 m) and a deck 60 ft wide.

Who owns S.State Street over Walnut Creek?

It is owned by the City or Municipal Highway Agency.