US Bridges

US1N.BYP over CSX Railroad

Poor

Vance County, North Carolina · 0.2 Mi.N. of JCT.SR1001 · Structure no. 000000001810038

Built
1955
70 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
5 main spans
Daily traffic
3,250
2021 count
Owner
State
State Highway Agency

About this bridge

US1N.BYP over CSX Railroad is a steel stringer/multi-beam or girder carrying US1N.BYP over CSX Railroad in Vance County, North Carolina. It was built in 1955, so it is 70 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,250 vehicles a day, roughly 12% of them trucks, projected to reach 6,500 by 2040. The structure is 241 ft (73.4 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1N.BYP
CrossesCSX Railroad
Location0.2 Mi.N. of JCT.SR1001
RouteU.S. Route 1
CountyVance County
StateNorth Carolina
Coordinates36.35144, -78.36281
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length241 ft (73.4 m)
Longest span58 ft (17.6 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2021)
Projected traffic6,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US1N.BYP over CSX Railroad built?

It was built in 1955, making it 70 years old in 2025.

What condition is US1N.BYP over CSX Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does US1N.BYP over CSX Railroad carry?

About 3,250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1N.BYP over CSX Railroad?

The structure is 241 ft (73.4 m) long with a longest span of 58 ft (17.6 m) and a deck 32 ft wide.

Who owns US1N.BYP over CSX Railroad?

It is owned by the State Highway Agency.