US Bridges

I85S US70E Ramp over I85 US70

Fair

Durham County, North Carolina · JCT.I-85 US70 · Structure no. 000000000630422

Built
2006
19 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,101 ft
7 main spans
Daily traffic
20,000
2020 count
Owner
State
State Highway Agency

About this bridge

I85S US70E Ramp over I85 US70 is a steel continuous stringer/multi-beam or girder carrying I85S US70E Ramp over I85 US70 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,000 vehicles a day, roughly 16% of them trucks, projected to reach 40,000 by 2040. The structure is 1,101 ft (335.5 m) long and 44 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesI85S US70E Ramp
CrossesI85 US70
LocationJCT.I-85 US70
RouteInterstate 85
CountyDurham County
StateNorth Carolina
Coordinates36.01275, -78.87018
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating70 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length1,101 ft (335.5 m)
Longest span193 ft (58.8 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2020)
Projected traffic40,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I85S US70E Ramp over I85 US70 built?

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

What condition is I85S US70E Ramp over I85 US70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does I85S US70E Ramp over I85 US70 carry?

About 20,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85S US70E Ramp over I85 US70?

The structure is 1,101 ft (335.5 m) long with a longest span of 193 ft (58.8 m) and a deck 44 ft wide.

Who owns I85S US70E Ramp over I85 US70?

It is owned by the State Highway Agency.