Structure 2NCS788 · Onslow County, NC

Holcomb BLVD SB over Wallace Creek

Carries Holcomb BLVD SB over Wallace Creek, 4.0 Km South Of Nc 24.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

142 ft end to end, longest span 36 ft. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built199630 years old
Length142.1 ft43.3 m
Daily traffic4,000counted 2014
Last inspectedOctober 2024every 24 months

Location

StateNorth Carolina
CountyOnslow
Location4.0 Km South Of Nc 24
CarriesHolcomb BLVD SB
CrossesWallace Creek
Coordinates34.69510, -77.33187

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length142.1 ft (43.3 m)
Max Span36.4 ft (11.1 m)
Deck Width44.9 ft (13.7 m)
Deck Area593.2 sq m
Main Spans4
Year Built1996

Traffic

Avg Daily Traffic4,000 (2014)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerNavy/Marines
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number2NCS788

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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