US Bridges

US301N over Toisnot Swamp

Fair

Wilson County, North Carolina · 1.2 Mi. N. JCT.US264&NC58 · Structure no. 000000001950063

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
6,000
2022 count
Owner
State
State Highway Agency

About this bridge

US301N over Toisnot Swamp is a steel stringer/multi-beam or girder carrying US301N over Toisnot Swamp in Wilson County, North Carolina. It was built in 1955, so it is 70 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 5 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 6,000 vehicles a day, roughly 12% of them trucks, projected to reach 12,000 by 2040. The structure is 120 ft (36.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS301N
CrossesToisnot Swamp
Location1.2 Mi. N. JCT.US264&NC58
RouteU.S. Route 301
CountyWilson County
StateNorth Carolina
Coordinates35.73035, -77.88427
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span40 ft (12.1 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2022)
Projected traffic12,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US301N over Toisnot Swamp built?

It was built in 1955, making it 70 years old in 2025.

What condition is US301N over Toisnot 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 December 2024.

How much traffic does US301N over Toisnot Swamp carry?

About 6,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US301N over Toisnot Swamp?

The structure is 120 ft (36.5 m) long with a longest span of 40 ft (12.1 m) and a deck 33 ft wide.

Who owns US301N over Toisnot Swamp?

It is owned by the State Highway Agency.