US Bridges

SR1500 over I73/74 US220

Fair

Montgomery County, North Carolina · 0.9 Mi. W. Jct. SR1505 · Structure no. 000000001230020

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
305 ft
4 main spans
Daily traffic
650
2022 count
Owner
State
State Highway Agency

About this bridge

SR1500 over I73/74 US220 is a steel stringer/multi-beam or girder carrying SR1500 over I73/74 US220 in Montgomery County, North Carolina. It was built in 1979, so it is 46 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 650 vehicles a day, roughly 6% of them trucks, projected to reach 1,300 by 2040. The structure is 305 ft (92.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1500
CrossesI73/74 US220
Location0.9 Mi. W. Jct. SR1505
RouteState Highway 1500
CountyMontgomery County
StateNorth Carolina
Coordinates35.33361, -79.74952
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length305 ft (92.9 m)
Longest span112 ft (34.1 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic1,300 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SR1500 over I73/74 US220 built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR1500 over I73/74 US220 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 December 2023.

How much traffic does SR1500 over I73/74 US220 carry?

About 650 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1500 over I73/74 US220?

The structure is 305 ft (92.9 m) long with a longest span of 112 ft (34.1 m) and a deck 32 ft wide.

Who owns SR1500 over I73/74 US220?

It is owned by the State Highway Agency.