US Bridges

SR1615 over Durham & Southern Rr.

Good

Wake County, North Carolina · 0.01 Mi. E. Jct. SR3011 · Structure no. 000000001830450

Built
2007
18 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
168 ft
3 main spans
Daily traffic
23,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR1615 over Durham & Southern Rr. is a steel continuous stringer/multi-beam or girder carrying SR1615 over Durham & Southern Rr. in Wake County, North Carolina. It was built in 2007, so it is 18 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 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 23,500 vehicles a day, roughly 6% of them trucks, projected to reach 47,000 by 2040. The structure is 168 ft (51.2 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1615
CrossesDurham & Southern Rr.
Location0.01 Mi. E. Jct. SR3011
RouteState Highway 1615
Coordinates35.78931, -78.85781
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length168 ft (51.2 m)
Longest span77 ft (23.4 m)
Deck width92 ft (28.1 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2021)
Projected traffic47,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1615 over Durham & Southern Rr. built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR1615 over Durham & Southern Rr. 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 SR1615 over Durham & Southern Rr. carry?

About 23,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1615 over Durham & Southern Rr.?

The structure is 168 ft (51.2 m) long with a longest span of 77 ft (23.4 m) and a deck 92 ft wide.

Who owns SR1615 over Durham & Southern Rr.?

It is owned by the State Highway Agency.