US Bridges

I85N over US15

Good

Granville County, North Carolina · 2.3 Mi.S. NC96 · Structure no. 000000000770060

Built
1970
55 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
364 ft
4 main spans
Daily traffic
14,750
2020 count
Owner
State
State Highway Agency

About this bridge

I85N over US15 is a steel continuous stringer/multi-beam or girder carrying I85N over US15 in Granville County, North Carolina. It was built in 1970, so it is 55 years old, older 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 14,750 vehicles a day, roughly 23% of them trucks, projected to reach 29,500 by 2040. The structure is 364 ft (110.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85N
CrossesUS15
Location2.3 Mi.S. NC96
RouteInterstate 85
Coordinates36.27066, -78.60783
Functional classRural Principal Arterial - Interstate

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 inspectionJune 2024
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 rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length364 ft (110.9 m)
Longest span99 ft (30.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,750 (2020)
Projected traffic29,500 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I85N over US15 built?

It was built in 1970, making it 55 years old in 2025.

What condition is I85N over US15 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 June 2024.

How much traffic does I85N over US15 carry?

About 14,750 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I85N over US15?

The structure is 364 ft (110.9 m) long with a longest span of 99 ft (30.1 m) and a deck 42 ft wide.

Who owns I85N over US15?

It is owned by the State Highway Agency.