US Bridges

US158 over Intracoastal Waterway

Fair

Currituck County, North Carolina · 0.1 MI.W.JCT.SR1141 · Structure no. 000000000530015

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,507 ft
27 main spans
Daily traffic
17,500
2022 count
Owner
State
State Highway Agency

About this bridge

US158 over Intracoastal Waterway is a prestressed concrete stringer/multi-beam or girder carrying US158 over Intracoastal Waterway in Currituck County, North Carolina. It was built in 1986, so it is 39 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 17,500 vehicles a day, roughly 8% of them trucks, projected to reach 35,000 by 2040. The structure is 2,507 ft (764.1 m) long and 63 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesUS158
CrossesIntracoastal Waterway
Location0.1 MI.W.JCT.SR1141
RouteU.S. Route 158
CountyCurrituck County
StateNorth Carolina
Coordinates36.34098, -75.95461
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans27
Design loadHS 20 + Mod
Structure length2,507 ft (764.1 m)
Longest span150 ft (45.7 m)
Deck width63 ft (19.1 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2022)
Projected traffic35,000 by 2040
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US158 over Intracoastal Waterway built?

It was built in 1986, making it 39 years old in 2025.

What condition is US158 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 September 2024.

How much traffic does US158 over Intracoastal Waterway carry?

About 17,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US158 over Intracoastal Waterway?

The structure is 2,507 ft (764.1 m) long with a longest span of 150 ft (45.7 m) and a deck 63 ft wide.

Who owns US158 over Intracoastal Waterway?

It is owned by the State Highway Agency.