US Bridges

SR1521 over US421 NC87BYP

Good

Lee County, North Carolina · 0.65 Mi. S. Jct. SR1506 · Structure no. 000000001050127

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
800
2020 count
Owner
State
State Highway Agency

About this bridge

SR1521 over US421 NC87BYP is a steel continuous stringer/multi-beam or girder carrying SR1521 over US421 NC87BYP in Lee County, North Carolina. It was built in 2003, so it is 22 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 800 vehicles a day, roughly 7% of them trucks, projected to reach 1,600 by 2040. The structure is 240 ft (73.1 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1521
CrossesUS421 NC87BYP
Location0.65 Mi. S. Jct. SR1506
RouteState Highway 1521
Coordinates35.48361, -79.13348
Functional classUrban Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length240 ft (73.1 m)
Longest span127 ft (38.7 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2020)
Projected traffic1,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 SR1521 over US421 NC87BYP built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1521 over US421 NC87BYP 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 November 2023.

How much traffic does SR1521 over US421 NC87BYP carry?

About 800 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SR1521 over US421 NC87BYP?

The structure is 240 ft (73.1 m) long with a longest span of 127 ft (38.7 m) and a deck 54 ft wide.

Who owns SR1521 over US421 NC87BYP?

It is owned by the State Highway Agency.