US Bridges

SR1121 over I73/74 US220

Good

Randolph County, North Carolina · 0.1 Mi. E. Jct. SR1256 · Structure no. 000000001510502

Built
1995
30 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
2 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1121 over I73/74 US220 is a steel continuous stringer/multi-beam or girder carrying SR1121 over I73/74 US220 in Randolph County, North Carolina. It was built in 1995, so it is 30 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2040. The structure is 237 ft (72.2 m) long and 51 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1121
CrossesI73/74 US220
Location0.1 Mi. E. Jct. SR1256
RouteState Highway 1121
Coordinates35.59199, -79.81444
Functional classRural Minor 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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length237 ft (72.2 m)
Longest span123 ft (37.4 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic3,600 by 2040
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed2.5 mi (4 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 SR1121 over I73/74 US220 built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR1121 over I73/74 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 June 2024.

How much traffic does SR1121 over I73/74 US220 carry?

About 1,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1121 over I73/74 US220?

The structure is 237 ft (72.2 m) long with a longest span of 123 ft (37.4 m) and a deck 51 ft wide.

Who owns SR1121 over I73/74 US220?

It is owned by the State Highway Agency.