US Bridges

SR1333 over White Oak River

PoorPosted for load

Onslow County, North Carolina · 0.5 MI N JCT SR1331 · Structure no. 000000001330010

Built
1967
58 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Prestressed Concrete
Length
121 ft
4 main spans
Daily traffic
230
2000 count
Owner
State
State Highway Agency

About this bridge

SR1333 over White Oak River is a prestressed concrete channel beam carrying SR1333 over White Oak River in Onslow County, North Carolina. It was built in 1967, so it is 58 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 230 vehicles a day, roughly 6% of them trucks, projected to reach 460 by 2040. The structure is 121 ft (36.8 m) long and 26 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSR1333
CrossesWhite Oak River
Location0.5 MI N JCT SR1331
RouteState Highway 1333
Coordinates34.93047, -77.34533
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating33 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length121 ft (36.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2000)
Projected traffic460 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1333 over White Oak River built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR1333 over White Oak River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does SR1333 over White Oak River carry?

About 230 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1333 over White Oak River?

The structure is 121 ft (36.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns SR1333 over White Oak River?

It is owned by the State Highway Agency.