US Bridges

SR2551 over Walnut Creek

Poor

Wake County, North Carolina · 0.3 Mi. S. of Jct. SR1007 · Structure no. 000000001830236

Built
1968
57 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
3 main spans
Daily traffic
13,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR2551 over Walnut Creek is a steel stringer/multi-beam or girder carrying SR2551 over Walnut Creek in Wake County, North Carolina. It was built in 1968, so it is 57 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,000 vehicles a day, roughly 7% of them trucks, projected to reach 26,000 by 2040. The structure is 165 ft (50.2 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR2551
CrossesWalnut Creek
Location0.3 Mi. S. of Jct. SR1007
RouteState Highway 2551
Coordinates35.74928, -78.5345
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length165 ft (50.2 m)
Longest span54 ft (16.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2022)
Projected traffic26,000 by 2040
Trucks7%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2551 over Walnut Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR2551 over Walnut Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does SR2551 over Walnut Creek carry?

About 13,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR2551 over Walnut Creek?

The structure is 165 ft (50.2 m) long with a longest span of 54 ft (16.4 m) and a deck 32 ft wide.

Who owns SR2551 over Walnut Creek?

It is owned by the State Highway Agency.