US Bridges

US1N.BYP over SR1001

Fair

Vance County, North Carolina · 2.3 Mi. N. Jct. NC39 · Structure no. 000000001810033

Built
1991
34 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
4,750
2021 count
Owner
State
State Highway Agency

About this bridge

US1N.BYP over SR1001 is a steel stringer/multi-beam or girder carrying US1N.BYP over SR1001 in Vance County, North Carolina. It was built in 1991, so it is 34 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 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 4,750 vehicles a day, roughly 12% of them trucks, projected to reach 9,500 by 2040. The structure is 140 ft (42.6 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS1N.BYP
CrossesSR1001
Location2.3 Mi. N. Jct. NC39
RouteU.S. Route 1
Coordinates36.3491, -78.36312
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.9 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length140 ft (42.6 m)
Longest span88 ft (26.8 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,750 (2021)
Projected traffic9,500 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US1N.BYP over SR1001 built?

It was built in 1991, making it 34 years old in 2025.

What condition is US1N.BYP over SR1001 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 January 2024.

How much traffic does US1N.BYP over SR1001 carry?

About 4,750 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1N.BYP over SR1001?

The structure is 140 ft (42.6 m) long with a longest span of 88 ft (26.8 m) and a deck 49 ft wide.

Who owns US1N.BYP over SR1001?

It is owned by the State Highway Agency.