US Bridges

SR1735 over Gum Swamp

Fair

Duplin County, North Carolina · 0.4 MI W. of Jct. SR1710 · Structure no. 000000000610356

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

SR1735 over Gum Swamp is a steel culvert carrying SR1735 over Gum Swamp in Duplin County, North Carolina. It was built in 1980, so it is 45 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 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1735
CrossesGum Swamp
Location0.4 MI W. of Jct. SR1710
RouteState Highway 1735
CountyDuplin County
StateNorth Carolina
Coordinates34.97852, -77.77317
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1735 over Gum Swamp built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1735 over Gum 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 August 2023.

How much traffic does SR1735 over Gum Swamp carry?

About 250 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1735 over Gum Swamp?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1735 over Gum Swamp?

It is owned by the State Highway Agency.