US Bridges

Washington St. over I85 US15 US70

Good

Durham County, North Carolina · 0.1 MI N JCT W Club Blvd · Structure no. 000000000630148

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
337 ft
2 main spans
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

Washington St. over I85 US15 US70 is a steel continuous stringer/multi-beam or girder carrying Washington St. over I85 US15 US70 in Durham 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 7,000 vehicles a day, roughly 7% of them trucks, projected to reach 14,000 by 2040. The structure is 337 ft (102.7 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWashington St.
CrossesI85 US15 US70
Location0.1 MI N JCT W Club Blvd
RouteCity Street 0
Coordinates36.01872, -78.90049
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20 + Mod
Structure length337 ft (102.7 m)
Longest span150 ft (45.7 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2020)
Projected traffic14,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington St. over I85 US15 US70 built?

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

What condition is Washington St. over I85 US15 US70 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 December 2023.

How much traffic does Washington St. over I85 US15 US70 carry?

About 7,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Washington St. over I85 US15 US70?

The structure is 337 ft (102.7 m) long with a longest span of 150 ft (45.7 m) and a deck 56 ft wide.

Who owns Washington St. over I85 US15 US70?

It is owned by the State Highway Agency.