US Bridges

SR3073 over Durham&southern RR

Good

Wake County, North Carolina · 0.2 Mi. S. NC54 · Structure no. 000000001830673

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
3 main spans
Daily traffic
19,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR3073 over Durham&southern RR is a steel continuous stringer/multi-beam or girder carrying SR3073 over Durham&southern RR in Wake County, North Carolina. It was built in 1993, so it is 32 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 19,500 vehicles a day, roughly 6% of them trucks, projected to reach 39,000 by 2040. The structure is 171 ft (52.1 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR3073
CrossesDurham&southern RR
Location0.2 Mi. S. NC54
RouteState Highway 3073
Coordinates35.79661, -78.79931
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span98 ft (29.8 m)
Deck width60 ft (18.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2021)
Projected traffic39,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR3073 over Durham&southern RR built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR3073 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 July 2023.

How much traffic does SR3073 over Durham&southern RR carry?

About 19,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR3073 over Durham&southern RR?

The structure is 171 ft (52.1 m) long with a longest span of 98 ft (29.8 m) and a deck 60 ft wide.

Who owns SR3073 over Durham&southern RR?

It is owned by the State Highway Agency.