US Bridges

Holcomb Blvd NB over Wallace Creek

Fair

Onslow County, North Carolina · 4.0 KM South of Nc 24 · Structure no. 2NCS787

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
142 ft
4 main spans
Daily traffic
4,000
2014 count
Owner
Federal
Navy / Marines

About this bridge

Holcomb Blvd NB over Wallace Creek is a prestressed concrete slab carrying Holcomb Blvd NB over Wallace Creek in Onslow County, North Carolina. It was built in 1996, so it is 29 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 4,000 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2042. The structure is 142 ft (43.3 m) long and 45 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesHolcomb Blvd NB
CrossesWallace Creek
Location4.0 KM South of Nc 24
Coordinates34.69517, -77.33187
Functional classRural Minor 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length142 ft (43.3 m)
Longest span32 ft (9.9 m)
Deck width45 ft (13.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2014)
Projected traffic5,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed51 mi (82 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$47,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Holcomb Blvd NB over Wallace Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Holcomb Blvd NB over Wallace 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 2024.

How much traffic does Holcomb Blvd NB over Wallace Creek carry?

About 4,000 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Holcomb Blvd NB over Wallace Creek?

The structure is 142 ft (43.3 m) long with a longest span of 32 ft (9.9 m) and a deck 45 ft wide.

Who owns Holcomb Blvd NB over Wallace Creek?

It is owned by the Navy / Marines.