US Bridges

SR1101 over Duff Creek

Fair

Duplin County, North Carolina · 0.5MI.E.JCT.SR1137 · Structure no. 000000000610048

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
700
2018 count
Owner
State
State Highway Agency

About this bridge

SR1101 over Duff Creek is a prestressed concrete slab carrying SR1101 over Duff Creek in Duplin County, North Carolina. It was built in 1977, so it is 48 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,400 by 2040. The structure is 106 ft (32.3 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1101
CrossesDuff Creek
Location0.5MI.E.JCT.SR1137
RouteState Highway 1101
CountyDuplin County
StateNorth Carolina
Coordinates34.768, -78.05351
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length106 ft (32.3 m)
Longest span34 ft (10.3 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2018)
Projected traffic1,400 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 SR1101 over Duff Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR1101 over Duff 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 SR1101 over Duff Creek carry?

About 700 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1101 over Duff Creek?

The structure is 106 ft (32.3 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns SR1101 over Duff Creek?

It is owned by the State Highway Agency.