US Bridges

SR3015 over Stirrup Iron Creek

Good

Wake County, North Carolina · 0.2 Mi. S. Jct. I40 · Structure no. 000000001830506

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
34,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR3015 over Stirrup Iron Creek is a concrete continuous culvert carrying SR3015 over Stirrup Iron Creek in Wake County, North Carolina. It was built in 1971, so it is 54 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,500 vehicles a day, roughly 7% of them trucks, projected to reach 69,000 by 2040. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR3015
CrossesStirrup Iron Creek
Location0.2 Mi. S. Jct. I40
RouteState Highway 3015
Coordinates35.85986, -78.81801
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,500 (2019)
Projected traffic69,000 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR3015 over Stirrup Iron Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR3015 over Stirrup Iron 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 September 2023.

How much traffic does SR3015 over Stirrup Iron Creek carry?

About 34,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR3015 over Stirrup Iron Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m).

Who owns SR3015 over Stirrup Iron Creek?

It is owned by the State Highway Agency.