US Bridges

SR1568 over Tidal Ditch

Fair

Onslow County, North Carolina · 3.0 Mi. E. Jct. NC210 · Structure no. 000000001330240

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
355 ft
8 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

SR1568 over Tidal Ditch is a prestressed concrete slab carrying SR1568 over Tidal Ditch in Onslow County, North Carolina. It was built in 1995, so it is 30 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 2,600 vehicles a day, roughly 7% of them trucks, projected to reach 5,200 by 2040. The structure is 355 ft (108.2 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesSR1568
CrossesTidal Ditch
Location3.0 Mi. E. Jct. NC210
RouteState Highway 1568
CountyOnslow County
StateNorth Carolina
Coordinates34.51114, -77.37994
Functional classRural Major 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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20 + Mod
Structure length355 ft (108.2 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic5,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1568 over Tidal Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR1568 over Tidal Ditch 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 January 2024.

How much traffic does SR1568 over Tidal Ditch carry?

About 2,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1568 over Tidal Ditch?

The structure is 355 ft (108.2 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns SR1568 over Tidal Ditch?

It is owned by the State Highway Agency.