US Bridges

US1 US401 over I85

Fair

Warren County, North Carolina · 0.2 Mi. N. Jct. SR1211 · Structure no. 000000001850002

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
4 main spans
Daily traffic
1,500
2021 count
Owner
State
State Highway Agency

About this bridge

US1 US401 over I85 is a steel stringer/multi-beam or girder carrying US1 US401 over I85 in Warren County, North Carolina. It was built in 1965, so it is 60 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 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 1,500 vehicles a day, roughly 7% of them trucks, projected to reach 3,000 by 2040. The structure is 242 ft (73.7 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1 US401
CrossesI85
Location0.2 Mi. N. Jct. SR1211
RouteU.S. Route 1
CountyWarren County
StateNorth Carolina
Coordinates36.53471, -78.1909
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length242 ft (73.7 m)
Longest span60 ft (18.2 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2021)
Projected traffic3,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 US1 US401 over I85 built?

It was built in 1965, making it 60 years old in 2025.

What condition is US1 US401 over I85 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 October 2023.

How much traffic does US1 US401 over I85 carry?

About 1,500 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US1 US401 over I85?

The structure is 242 ft (73.7 m) long with a longest span of 60 ft (18.2 m) and a deck 33 ft wide.

Who owns US1 US401 over I85?

It is owned by the State Highway Agency.