US Bridges

SR1106 over Bull Neck Swamp

Fair

Northampton County, North Carolina · 2.0 MI S JCT NC308 · Structure no. 000000001310109

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
200
2000 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Bull Neck Swamp is a steel culvert carrying SR1106 over Bull Neck Swamp in Northampton County, North Carolina. It was built in 1997, so it is 28 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1106
CrossesBull Neck Swamp
Location2.0 MI S JCT NC308
RouteState Highway 1106
Coordinates36.21245, -77.30453
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length39 ft (11.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2000)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1106 over Bull Neck Swamp built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1106 over Bull Neck 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 November 2024.

How much traffic does SR1106 over Bull Neck Swamp carry?

About 200 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1106 over Bull Neck Swamp?

The structure is 39 ft (11.8 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1106 over Bull Neck Swamp?

It is owned by the State Highway Agency.