US Bridges

SR1521 over Holy Swamp

Good

Robeson County, North Carolina · 0.29 MI N JCT NC72 · Structure no. 000000001550529

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
1,100
2015 count
Owner
State
State Highway Agency

About this bridge

SR1521 over Holy Swamp is a aluminum, wrought iron, or cast iron culvert carrying SR1521 over Holy Swamp in Robeson County, North Carolina. It was built in 2017, so it is 8 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, roughly 7% of them trucks, projected to reach 2,200 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1521
CrossesHoly Swamp
Location0.29 MI N JCT NC72
RouteState Highway 1521
Coordinates34.66184, -79.08953
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic2,200 by 2040
Trucks7%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1521 over Holy Swamp built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR1521 over Holy Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR1521 over Holy Swamp carry?

About 1,100 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1521 over Holy Swamp?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns SR1521 over Holy Swamp?

It is owned by the State Highway Agency.