US Bridges

SR1550 over Black River Overflow

Good

Bladen County, North Carolina · 0.4 MI E. of JCT NC210 · Structure no. 000000000170083

Built
1971
54 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
1,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1550 over Black River Overflow is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1550 over Black River Overflow in Bladen County, North Carolina. It was built in 1971, so it is 54 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 6% of them trucks, projected to reach 2,000 by 2040. The structure is 121 ft (36.8 m) long and 36 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSR1550
CrossesBlack River Overflow
Location0.4 MI E. of JCT NC210
RouteState Highway 1550
Coordinates34.554, -78.25681
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length121 ft (36.8 m)
Longest span38 ft (11.5 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic2,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Black River Overflow built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR1550 over Black River Overflow 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 June 2024.

How much traffic does SR1550 over Black River Overflow carry?

About 1,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1550 over Black River Overflow?

The structure is 121 ft (36.8 m) long with a longest span of 38 ft (11.5 m) and a deck 36 ft wide.

Who owns SR1550 over Black River Overflow?

It is owned by the State Highway Agency.