US Bridges

US421NB NC87N Byp. over NC42

Good

Lee County, North Carolina · .09 Mi. N. Jct. US421 Bus · Structure no. 000000001050129

Built
2007
18 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
1 main span
Daily traffic
13,250
2019 count
Owner
State
State Highway Agency

About this bridge

US421NB NC87N Byp. over NC42 is a steel stringer/multi-beam or girder carrying US421NB NC87N Byp. over NC42 in Lee County, North Carolina. It was built in 2007, so it is 18 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 13,250 vehicles a day, roughly 12% of them trucks, projected to reach 26,500 by 2040. The structure is 142 ft (43.2 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS421NB NC87N Byp.
CrossesNC42
Location.09 Mi. N. Jct. US421 Bus
RouteU.S. Route 421
Coordinates35.46051, -79.11822
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length142 ft (43.2 m)
Longest span138 ft (42 m)
Deck width49 ft (15 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,250 (2019)
Projected traffic26,500 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US421NB NC87N Byp. over NC42 built?

It was built in 2007, making it 18 years old in 2025.

What condition is US421NB NC87N Byp. over NC42 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 May 2022.

How much traffic does US421NB NC87N Byp. over NC42 carry?

About 13,250 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is US421NB NC87N Byp. over NC42?

The structure is 142 ft (43.2 m) long with a longest span of 138 ft (42 m) and a deck 49 ft wide.

Who owns US421NB NC87N Byp. over NC42?

It is owned by the State Highway Agency.