US Bridges

Seth Williams Blvd over Wallace Creek

FairPosted for load

Onslow County, North Carolina · 2 KM N of Holcomb Blvd · Structure no. 2NC0750

Built
1942
83 years old, rebuilt 1995
Condition
Fair
inspected October 2024
Type
Other
Wood or Timber
Length
760 ft
38 main spans
Daily traffic
2,000
2014 count
Owner
Federal
Navy / Marines

About this bridge

Seth Williams Blvd over Wallace Creek is a wood or timber other carrying Seth Williams Blvd over Wallace Creek in Onslow County, North Carolina. It was built in 1942 and reconstructed in 1995, so it is 83 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,500 by 2046. The structure is 760 ft (231.8 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSeth Williams Blvd
CrossesWallace Creek
Location2 KM N of Holcomb Blvd
Coordinates34.68193, -77.35878
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating58.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans38
Design loadH 20
Structure length760 ft (231.8 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic2,500 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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$366,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Seth Williams Blvd over Wallace Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1995.

What condition is Seth Williams Blvd 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 Seth Williams Blvd over Wallace Creek carry?

About 2,000 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Seth Williams Blvd over Wallace Creek?

The structure is 760 ft (231.8 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns Seth Williams Blvd over Wallace Creek?

It is owned by the Navy / Marines.