US Bridges

US1B US15/501 NC87 over US15/501 NC87

Fair

Lee County, North Carolina · 2.2 Mi. N. Jct. US421 · Structure no. 000000001050031

Built
1974
51 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
255 ft
3 main spans
Daily traffic
37,500
2020 count
Owner
State
State Highway Agency

About this bridge

US1B US15/501 NC87 over US15/501 NC87 is a steel stringer/multi-beam or girder carrying US1B US15/501 NC87 over US15/501 NC87 in Lee County, North Carolina. It was built in 1974, so it is 51 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 5 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 37,500 vehicles a day, roughly 12% of them trucks, projected to reach 75,000 by 2040. The structure is 255 ft (77.7 m) long and 108 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1B US15/501 NC87
CrossesUS15/501 NC87
Location2.2 Mi. N. Jct. US421
RouteU.S. Route 1
CountyLee County
StateNorth Carolina
Coordinates35.52358, -79.18372
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating99 US tons
Inventory rating66.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length255 ft (77.7 m)
Longest span155 ft (47.2 m)
Deck width108 ft (32.9 m)
Roadway width105 ft (32 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2020)
Projected traffic75,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-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 US1B US15/501 NC87 over US15/501 NC87 built?

It was built in 1974, making it 51 years old in 2025.

What condition is US1B US15/501 NC87 over US15/501 NC87 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 November 2023.

How much traffic does US1B US15/501 NC87 over US15/501 NC87 carry?

About 37,500 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US1B US15/501 NC87 over US15/501 NC87?

The structure is 255 ft (77.7 m) long with a longest span of 155 ft (47.2 m) and a deck 108 ft wide.

Who owns US1B US15/501 NC87 over US15/501 NC87?

It is owned by the State Highway Agency.