US Bridges

US258 over Beaverdam Swamp

Fair

Lenoir County, North Carolina · 0.9 Mi. N. Jct. SR1105 · Structure no. 000000001070001

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
5,500
2021 count
Owner
State
State Highway Agency

About this bridge

US258 over Beaverdam Swamp is a concrete continuous culvert carrying US258 over Beaverdam Swamp in Lenoir County, North Carolina. It was built in 1960, so it is 65 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 5,500 vehicles a day, roughly 8% of them trucks, projected to reach 11,000 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS258
CrossesBeaverdam Swamp
Location0.9 Mi. N. Jct. SR1105
RouteU.S. Route 258
Coordinates35.08053, -77.64127
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2021)
Projected traffic11,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US258 over Beaverdam Swamp built?

It was built in 1960, making it 65 years old in 2025.

What condition is US258 over Beaverdam 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 March 2024.

How much traffic does US258 over Beaverdam Swamp carry?

About 5,500 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US258 over Beaverdam Swamp?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns US258 over Beaverdam Swamp?

It is owned by the State Highway Agency.