US Bridges

I587 US264 over Whiteoak Swamp

Fair

Wilson County, North Carolina · 1.0 MI.W.NC91 · Structure no. 000000001950230

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
22,500
2022 count
Owner
State
State Highway Agency

About this bridge

I587 US264 over Whiteoak Swamp is a concrete continuous culvert carrying I587 US264 over Whiteoak Swamp in Wilson County, North Carolina. It was built in 1987, so it is 38 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 22,500 vehicles a day, roughly 14% of them trucks, projected to reach 45,000 by 2040. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesI587 US264
CrossesWhiteoak Swamp
Location1.0 MI.W.NC91
RouteInterstate 587
Coordinates35.66839, -77.82152
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2022)
Projected traffic45,000 by 2040
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I587 US264 over Whiteoak Swamp built?

It was built in 1987, making it 38 years old in 2025.

What condition is I587 US264 over Whiteoak Swamp 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 May 2024.

How much traffic does I587 US264 over Whiteoak Swamp carry?

About 22,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I587 US264 over Whiteoak Swamp?

The structure is 35 ft (10.6 m) long with a longest span of 13 ft (3.9 m).

Who owns I587 US264 over Whiteoak Swamp?

It is owned by the State Highway Agency.