US Bridges

US421 NC87S.BYP over Csxrr Little Buffalo Ck

Fair

Lee County, North Carolina · 0.4 Mi. S. Jct. US1 Bus · Structure no. 000000001050122

Built
2005
20 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
600 ft
5 main spans
Daily traffic
16,750
2019 count
Owner
State
State Highway Agency

About this bridge

US421 NC87S.BYP over Csxrr Little Buffalo Ck is a steel continuous stringer/multi-beam or girder carrying US421 NC87S.BYP over Csxrr Little Buffalo Ck in Lee County, North Carolina. It was built in 2005, so it is 20 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 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 16,750 vehicles a day, roughly 12% of them trucks, projected to reach 33,500 by 2040. The structure is 600 ft (182.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS421 NC87S.BYP
CrossesCsxrr Little Buffalo Ck
Location0.4 Mi. S. Jct. US1 Bus
RouteU.S. Route 421
CountyLee County
StateNorth Carolina
Coordinates35.5077, -79.17203
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length600 ft (182.8 m)
Longest span141 ft (42.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,750 (2019)
Projected traffic33,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US421 NC87S.BYP over Csxrr Little Buffalo Ck built?

It was built in 2005, making it 20 years old in 2025.

What condition is US421 NC87S.BYP over Csxrr Little Buffalo Ck 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 US421 NC87S.BYP over Csxrr Little Buffalo Ck carry?

About 16,750 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is US421 NC87S.BYP over Csxrr Little Buffalo Ck?

The structure is 600 ft (182.8 m) long with a longest span of 141 ft (42.9 m) and a deck 40 ft wide.

Who owns US421 NC87S.BYP over Csxrr Little Buffalo Ck?

It is owned by the State Highway Agency.