US Bridges

SR1122 over Rockfish Creek

Fair

Duplin County, North Carolina · 0.8 MI E. of Jct. SR1123 · Structure no. 000000000610028

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
200
1993 count
Owner
State
State Highway Agency

About this bridge

SR1122 over Rockfish Creek is a steel culvert carrying SR1122 over Rockfish Creek in Duplin County, North Carolina. It was built in 1990, so it is 35 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 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1122
CrossesRockfish Creek
Location0.8 MI E. of Jct. SR1123
RouteState Highway 1122
CountyDuplin County
StateNorth Carolina
Coordinates34.84201, -78.10234
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 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 (1993)
Projected traffic400 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 SR1122 over Rockfish Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR1122 over Rockfish Creek 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 June 2023.

How much traffic does SR1122 over Rockfish Creek carry?

About 200 vehicles per day (1993 count), of which roughly 6% are trucks.

How long is SR1122 over Rockfish Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1122 over Rockfish Creek?

It is owned by the State Highway Agency.