US Bridges

S. State Street over Walnut Street

Fair

Wake County, North Carolina · .15 Mi.N.Jct.Darby St. · Structure no. 000000001831085

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
78 ft
5 main spans
Daily traffic
800
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

S. State Street over Walnut Street is a concrete continuous culvert carrying S. State Street over Walnut Street in Wake County, North Carolina. It was built in 1960, so it is 65 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 800 vehicles a day, roughly 7% of them trucks, projected to reach 1,600 by 2040. The structure is 78 ft (23.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesS. State Street
CrossesWalnut Street
Location.15 Mi.N.Jct.Darby St.
RouteCity Street 0
Coordinates35.75908, -78.62411
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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 spans5
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (1990)
Projected traffic1,600 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 Street built?

It was built in 1960, making it 65 years old in 2025.

What condition is S. State Street over Walnut Street 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 S. State Street over Walnut Street carry?

About 800 vehicles per day (1990 count), of which roughly 7% are trucks.

How long is S. State Street over Walnut Street?

The structure is 78 ft (23.7 m) long with a longest span of 12 ft (3.6 m).

Who owns S. State Street over Walnut Street?

It is owned by the City or Municipal Highway Agency.