US Bridges

SR1718 over Black River

Good

Harnett County, North Carolina · 0.2 Mi. W. Jct. SR1735 · Structure no. 000000000850246

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
7,200
2017 count
Owner
State
State Highway Agency

About this bridge

SR1718 over Black River is a prestressed concrete slab carrying SR1718 over Black River in Harnett County, North Carolina. It was built in 2019, so it is 6 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 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 7,200 vehicles a day, roughly 7% of them trucks, projected to reach 14,400 by 2040. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1718
CrossesBlack River
Location0.2 Mi. W. Jct. SR1735
RouteState Highway 1718
Coordinates35.31521, -78.64326
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length133 ft (40.5 m)
Longest span49 ft (14.9 m)
Deck width39 ft (11.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2017)
Projected traffic14,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1718 over Black River built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1718 over Black River 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 February 2025.

How much traffic does SR1718 over Black River carry?

About 7,200 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR1718 over Black River?

The structure is 133 ft (40.5 m) long with a longest span of 49 ft (14.9 m) and a deck 39 ft wide.

Who owns SR1718 over Black River?

It is owned by the State Highway Agency.