US Bridges

US15/501 Sbl over I85 US70 Creek

Good

Durham County, North Carolina · 0.2 Mi. N. Jct. SR1401 · Structure no. 000000000630135

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
744 ft
4 main spans
Daily traffic
25,000
2022 count
Owner
State
State Highway Agency

About this bridge

US15/501 Sbl over I85 US70 Creek is a steel continuous stringer/multi-beam or girder carrying US15/501 Sbl over I85 US70 Creek in Durham County, North Carolina. It was built in 2006, so it is 19 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 25,000 vehicles a day, roughly 12% of them trucks, projected to reach 50,000 by 2040. The structure is 744 ft (226.7 m) long and 59 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS15/501 Sbl
CrossesI85 US70 Creek
Location0.2 Mi. N. Jct. SR1401
RouteU.S. Route 15
Coordinates36.02443, -78.94765
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length744 ft (226.7 m)
Longest span196 ft (59.7 m)
Deck width59 ft (18 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2022)
Projected traffic50,000 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US15/501 Sbl over I85 US70 Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is US15/501 Sbl over I85 US70 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 US15/501 Sbl over I85 US70 Creek carry?

About 25,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US15/501 Sbl over I85 US70 Creek?

The structure is 744 ft (226.7 m) long with a longest span of 196 ft (59.7 m) and a deck 59 ft wide.

Who owns US15/501 Sbl over I85 US70 Creek?

It is owned by the State Highway Agency.