US Bridges

US1N over Drowning Creek

Good

Richmond County, North Carolina · 2.3 Mi. N. Jct. SR1600 · Structure no. 000000001530042

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
440 ft
4 main spans
Daily traffic
5,500
2022 count
Owner
State
State Highway Agency

About this bridge

US1N over Drowning Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US1N over Drowning Creek in Richmond County, North Carolina. It was built in 2011, so it is 14 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,500 vehicles a day, roughly 14% of them trucks, projected to reach 11,000 by 2040. The structure is 440 ft (134.1 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS1N
CrossesDrowning Creek
Location2.3 Mi. N. Jct. SR1600
RouteU.S. Route 1
Coordinates35.06098, -79.49388
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length440 ft (134.1 m)
Longest span113 ft (34.4 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2022)
Projected traffic11,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 US1N over Drowning Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is US1N over Drowning Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does US1N over Drowning Creek carry?

About 5,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US1N over Drowning Creek?

The structure is 440 ft (134.1 m) long with a longest span of 113 ft (34.4 m) and a deck 38 ft wide.

Who owns US1N over Drowning Creek?

It is owned by the State Highway Agency.