US Bridges

NC130 over Intracoastal Waterway

Fair

Brunswick County, North Carolina · 0.8 MI E. Jct. SR1139 · Structure no. 000000000190071

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
1,800 ft
3 main spans
Daily traffic
10,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC130 over Intracoastal Waterway is a prestressed concrete box beam or girders - multiple carrying NC130 over Intracoastal Waterway in Brunswick County, North Carolina. It was built in 1985, so it is 40 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 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 10,000 vehicles a day, roughly 7% of them trucks, projected to reach 20,000 by 2040. The structure is 1,800 ft (548.6 m) long and 32 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesNC130
CrossesIntracoastal Waterway
Location0.8 MI E. Jct. SR1139
RouteState Highway 130
CountyBrunswick County
StateNorth Carolina
Coordinates33.91507, -78.268
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+20 approach)
Design loadHS 20 + Mod
Structure length1,800 ft (548.6 m)
Longest span115 ft (35 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic20,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed26.7 mi (43 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was NC130 over Intracoastal Waterway built?

It was built in 1985, making it 40 years old in 2025.

What condition is NC130 over Intracoastal Waterway 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 2023.

How much traffic does NC130 over Intracoastal Waterway carry?

About 10,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC130 over Intracoastal Waterway?

The structure is 1,800 ft (548.6 m) long with a longest span of 115 ft (35 m) and a deck 32 ft wide.

Who owns NC130 over Intracoastal Waterway?

It is owned by the State Highway Agency.