US Bridges

SR1798 over Katy Creek

Good

McDowell County, North Carolina · 0.2MI.SW.JCT.SR1800 · Structure no. 000000001110011

Built
2019
6 years old
Condition
Good
inspected January 2025
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
880
2016 count
Owner
State
State Highway Agency

About this bridge

SR1798 over Katy Creek is a aluminum, wrought iron, or cast iron culvert carrying SR1798 over Katy Creek in McDowell 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 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 880 vehicles a day, roughly 7% of them trucks, projected to reach 1,760 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1798
CrossesKaty Creek
Location0.2MI.SW.JCT.SR1800
RouteState Highway 1798
Coordinates35.62215, -81.89614
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2016)
Projected traffic1,760 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1798 over Katy Creek built?

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

What condition is SR1798 over Katy 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 January 2025.

How much traffic does SR1798 over Katy Creek carry?

About 880 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR1798 over Katy Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m).

Who owns SR1798 over Katy Creek?

It is owned by the State Highway Agency.