US Bridges

US1S over Drowning Creek

Fair

Richmond County, North Carolina · 2.3 Mi. N. Jct. SR1600 · Structure no. 000000001530231

Built
2010
15 years old
Condition
Fair
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

US1S over Drowning Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US1S over Drowning Creek in Richmond County, North Carolina. It was built in 2010, so it is 15 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 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 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS1S
CrossesDrowning Creek
Location2.3 Mi. N. Jct. SR1600
RouteU.S. Route 1
Coordinates35.06107, -79.49397
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 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 rating63.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length440 ft (134.1 m)
Longest span113 ft (34.4 m)
Deck width39 ft (12 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 US1S over Drowning Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is US1S over Drowning Creek 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 US1S over Drowning Creek carry?

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

How long is US1S 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 39 ft wide.

Who owns US1S over Drowning Creek?

It is owned by the State Highway Agency.