US Bridges

I73 US220S over SR1106

Good

Guilford County, North Carolina · 1.08 Mi. S.Jct. SR1106 · Structure no. 000000000810532

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
3 main spans
Daily traffic
12,750
2020 count
Owner
State
State Highway Agency

About this bridge

I73 US220S over SR1106 is a steel stringer/multi-beam or girder carrying I73 US220S over SR1106 in Guilford County, North Carolina. It was built in 1980, so it is 45 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 12,750 vehicles a day, roughly 16% of them trucks, projected to reach 25,500 by 2040. The structure is 132 ft (40.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI73 US220S
CrossesSR1106
Location1.08 Mi. S.Jct. SR1106
RouteInterstate 73
Coordinates35.96664, -79.82104
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.
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 rating73 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length132 ft (40.2 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,750 (2020)
Projected traffic25,500 by 2040
Trucks16%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I73 US220S over SR1106 built?

It was built in 1980, making it 45 years old in 2025.

What condition is I73 US220S over SR1106 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 I73 US220S over SR1106 carry?

About 12,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I73 US220S over SR1106?

The structure is 132 ft (40.2 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns I73 US220S over SR1106?

It is owned by the State Highway Agency.