US Bridges

SR1600 over Marsh Swamp

FairPosted for load

Halifax County, North Carolina · 0.9 MI E JCT SR1615 · Structure no. 000000000830007

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
3 main spans
Daily traffic
690
2015 count
Owner
State
State Highway Agency

About this bridge

SR1600 over Marsh Swamp is a steel stringer/multi-beam or girder carrying SR1600 over Marsh Swamp in Halifax County, North Carolina. It was built in 1972, so it is 53 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 690 vehicles a day, roughly 6% of them trucks, projected to reach 1,380 by 2040. The structure is 58 ft (17.6 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1600
CrossesMarsh Swamp
Location0.9 MI E JCT SR1615
RouteState Highway 1600
CountyHalifax County
StateNorth Carolina
Coordinates36.35378, -77.68408
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating28 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length58 ft (17.6 m)
Longest span19 ft (5.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2015)
Projected traffic1,380 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1600 over Marsh Swamp built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR1600 over Marsh 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 June 2023.

How much traffic does SR1600 over Marsh Swamp carry?

About 690 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1600 over Marsh Swamp?

The structure is 58 ft (17.6 m) long with a longest span of 19 ft (5.7 m) and a deck 24 ft wide.

Who owns SR1600 over Marsh Swamp?

It is owned by the State Highway Agency.