US Bridges

SR1718 over Gunpowder Creek

Good

Caldwell County, North Carolina · .4 MI.S.JCT.SR1844 · Structure no. 000000000270090

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
2,100
2021 count
Owner
State
State Highway Agency

About this bridge

SR1718 over Gunpowder Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1718 over Gunpowder Creek in Caldwell County, North Carolina. It was built in 2008, so it is 17 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 2,100 vehicles a day, roughly 7% of them trucks, projected to reach 4,200 by 2040. The structure is 185 ft (56.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1718
CrossesGunpowder Creek
Location.4 MI.S.JCT.SR1844
RouteState Highway 1718
Coordinates35.84429, -81.43631
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length185 ft (56.3 m)
Longest span88 ft (26.8 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2021)
Projected traffic4,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Gunpowder Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR1718 over Gunpowder Creek 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 2024.

How much traffic does SR1718 over Gunpowder Creek carry?

About 2,100 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1718 over Gunpowder Creek?

The structure is 185 ft (56.3 m) long with a longest span of 88 ft (26.8 m) and a deck 33 ft wide.

Who owns SR1718 over Gunpowder Creek?

It is owned by the State Highway Agency.