US Bridges

SR1121 over Bonarva Canal

FairPosted for load

Tyrrell County, North Carolina · 0.1 MI N. Jct. SR1118 · Structure no. 000000001770051

Built
2009
16 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
80
2013 count
Owner
State
State Highway Agency

About this bridge

SR1121 over Bonarva Canal is a wood or timber stringer/multi-beam or girder carrying SR1121 over Bonarva Canal in Tyrrell County, North Carolina. It was built in 2009, so it is 16 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 6% of them trucks, projected to reach 160 by 2040. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1121
CrossesBonarva Canal
Location0.1 MI N. Jct. SR1118
RouteState Highway 1121
Coordinates35.84219, -76.36273
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating22.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span14 ft (4.2 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2013)
Projected traffic160 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1121 over Bonarva Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR1121 over Bonarva Canal 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 February 2024.

How much traffic does SR1121 over Bonarva Canal carry?

About 80 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is SR1121 over Bonarva Canal?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.2 m) and a deck 20 ft wide.

Who owns SR1121 over Bonarva Canal?

It is owned by the State Highway Agency.