US Bridges

Main Entrance Road over Drowning Creek

Good

Moore County, North Carolina · Pu 405 789 · Structure no. DAPFORMAC0T8514

Built
1980
45 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
79 ft
3 main spans
Daily traffic
500
2024 count
Owner
Federal
Army

About this bridge

Main Entrance Road over Drowning Creek is a prestressed concrete slab carrying Main Entrance Road over Drowning Creek in Moore County, North Carolina. It was built in 1980, so it is 45 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 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 500 vehicles a day, roughly 40% of them trucks, projected to reach 600 by 2046. The structure is 79 ft (24.2 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMain Entrance Road
CrossesDrowning Creek
LocationPu 405 789
Coordinates35.04369, -79.45881
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length79 ft (24.2 m)
Longest span43 ft (13 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic600 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Entrance Road over Drowning Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Main Entrance Road 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 August 2024.

How much traffic does Main Entrance Road over Drowning Creek carry?

About 500 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is Main Entrance Road over Drowning Creek?

The structure is 79 ft (24.2 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.

Who owns Main Entrance Road over Drowning Creek?

It is owned by the Army.