US Bridges

I73 US220S over SR1104

Fair

Guilford County, North Carolina · 2.0 Mi. S. Jct. I85 · Structure no. 000000000810534

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
205 ft
3 main spans
Daily traffic
14,500
2020 count
Owner
State
State Highway Agency

About this bridge

I73 US220S over SR1104 is a steel stringer/multi-beam or girder carrying I73 US220S over SR1104 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 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 14,500 vehicles a day, roughly 16% of them trucks, projected to reach 29,000 by 2040. The structure is 205 ft (62.4 m) long and 43 ft wide.

CarriesI73 US220S
CrossesSR1104
Location2.0 Mi. S. Jct. I85
RouteInterstate 73
Coordinates35.98717, -79.82554
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length205 ft (62.4 m)
Longest span122 ft (37.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2020)
Projected traffic29,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1104 built?

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

What condition is I73 US220S over SR1104 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 June 2024.

How much traffic does I73 US220S over SR1104 carry?

About 14,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I73 US220S over SR1104?

The structure is 205 ft (62.4 m) long with a longest span of 122 ft (37.1 m) and a deck 43 ft wide.

Who owns I73 US220S over SR1104?

It is owned by the State Highway Agency.