US Bridges

NC73 over Drowning Creek

Good

Montgomery County, North Carolina · 0.5 Mi. E. Jct. SR1527 · Structure no. 000000001230053

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
147 ft
2 main spans
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

NC73 over Drowning Creek is a prestressed concrete box beam or girders - multiple carrying NC73 over Drowning Creek in Montgomery County, North Carolina. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,200 vehicles a day, roughly 7% of them trucks, projected to reach 4,400 by 2040. The structure is 147 ft (44.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNC73
CrossesDrowning Creek
Location0.5 Mi. E. Jct. SR1527
RouteState Highway 73
Coordinates35.18772, -79.64859
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating51.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length147 ft (44.8 m)
Longest span84 ft (25.6 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic4,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC73 over Drowning Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is NC73 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 November 2024.

How much traffic does NC73 over Drowning Creek carry?

About 2,200 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC73 over Drowning Creek?

The structure is 147 ft (44.8 m) long with a longest span of 84 ft (25.6 m) and a deck 36 ft wide.

Who owns NC73 over Drowning Creek?

It is owned by the State Highway Agency.