US Bridges

US220ALT over I73 I74 US220

Good

Montgomery County, North Carolina · 0.1 Mi. S. Jct. SR1524 · Structure no. 000000001230252

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
278 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

US220ALT over I73 I74 US220 is a steel continuous stringer/multi-beam or girder carrying US220ALT over I73 I74 US220 in Montgomery 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 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 1,500 vehicles a day, roughly 7% of them trucks, projected to reach 3,000 by 2040. The structure is 278 ft (84.7 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS220ALT
CrossesI73 I74 US220
Location0.1 Mi. S. Jct. SR1524
RouteU.S. Route 220
Coordinates35.2205, -79.72903
Functional classRural Major Collector

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 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 rating96.9 US tons
Inventory rating58 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length278 ft (84.7 m)
Longest span136 ft (41.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic3,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 US220ALT over I73 I74 US220 built?

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

What condition is US220ALT over I73 I74 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 December 2023.

How much traffic does US220ALT over I73 I74 US220 carry?

About 1,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US220ALT over I73 I74 US220?

The structure is 278 ft (84.7 m) long with a longest span of 136 ft (41.4 m) and a deck 42 ft wide.

Who owns US220ALT over I73 I74 US220?

It is owned by the State Highway Agency.