US Bridges

SR1550 over Swift Creek

Fair

Randolph County, North Carolina · 0.3 Mi. N. Jct. SR1549 · Structure no. 000000001510393

Built
1994
31 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
150
2018 count
Owner
State
State Highway Agency

About this bridge

SR1550 over Swift Creek is a steel culvert carrying SR1550 over Swift Creek in Randolph County, North Carolina. It was built in 1994, so it is 31 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 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1550
CrossesSwift Creek
Location0.3 Mi. N. Jct. SR1549
RouteState Highway 1550
CountyRandolph County
StateNorth Carolina
Coordinates35.77561, -79.98578
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 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 traffic150 (2018)
Projected traffic300 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1550 over Swift Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1550 over Swift 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 September 2024.

How much traffic does SR1550 over Swift Creek carry?

About 150 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1550 over Swift Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1550 over Swift Creek?

It is owned by the State Highway Agency.