US Bridges

SR1703 over Sevenmile Swamp

FairPosted for load

Sampson County, North Carolina · 0.4 MI.N.JCT.SR1846 · Structure no. 000000001630193

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
69 ft
4 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR1703 over Sevenmile Swamp is a wood or timber stringer/multi-beam or girder carrying SR1703 over Sevenmile Swamp in Sampson County, North Carolina. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 2,200 by 2040. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1703
CrossesSevenmile Swamp
Location0.4 MI.N.JCT.SR1846
RouteState Highway 1703
Coordinates35.18956, -78.39447
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating31 US tons
Inventory rating15 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length69 ft (21 m)
Longest span17 ft (5.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic2,200 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1703 over Sevenmile Swamp built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR1703 over Sevenmile 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 April 2024.

How much traffic does SR1703 over Sevenmile Swamp carry?

About 1,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1703 over Sevenmile Swamp?

The structure is 69 ft (21 m) long with a longest span of 17 ft (5.1 m) and a deck 27 ft wide.

Who owns SR1703 over Sevenmile Swamp?

It is owned by the State Highway Agency.