US Bridges

I85N over I73 US220

Good

Guilford County, North Carolina · 0.3 MI.N.JCT.SR1392 · Structure no. 000000000810799

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
3 main spans
Daily traffic
22,750
2020 count
Owner
State
State Highway Agency

About this bridge

I85N over I73 US220 is a steel continuous stringer/multi-beam or girder carrying I85N over I73 US220 in Guilford County, North Carolina. It was built in 2003, so it is 22 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 22,750 vehicles a day, roughly 16% of them trucks, projected to reach 45,500 by 2040. The structure is 312 ft (95 m) long and 97 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI85N
CrossesI73 US220
Location0.3 MI.N.JCT.SR1392
RouteInterstate 85
CountyGuilford County
StateNorth Carolina
Coordinates36.00275, -79.82776
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating64.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length312 ft (95 m)
Longest span132 ft (40.2 m)
Deck width97 ft (29.7 m)
Roadway width94 ft (28.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,750 (2020)
Projected traffic45,500 by 2040
Trucks16%
Lanes on structure6
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I85N over I73 US220 built?

It was built in 2003, making it 22 years old in 2025.

What condition is I85N over I73 US220 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 October 2023.

How much traffic does I85N over I73 US220 carry?

About 22,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85N over I73 US220?

The structure is 312 ft (95 m) long with a longest span of 132 ft (40.2 m) and a deck 97 ft wide.

Who owns I85N over I73 US220?

It is owned by the State Highway Agency.