US Bridges

SR1781 over Second Broad River

Good

McDowell County, North Carolina · .3 MI.N.JCT.US221 · Structure no. 000000001110312

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
93 ft
2 main spans
Daily traffic
150
2021 count
Owner
State
State Highway Agency

About this bridge

SR1781 over Second Broad River is a prestressed concrete slab carrying SR1781 over Second Broad River in McDowell County, North Carolina. It was built in 2023, so it is 2 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1781
CrossesSecond Broad River
Location.3 MI.N.JCT.US221
RouteState Highway 1781
Coordinates35.53094, -81.96812
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span69 ft (21 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic300 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1781 over Second Broad River built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR1781 over Second Broad 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 July 2023.

How much traffic does SR1781 over Second Broad River carry?

About 150 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1781 over Second Broad River?

The structure is 93 ft (28.3 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns SR1781 over Second Broad River?

It is owned by the State Highway Agency.