US Bridges

SR1798 over Katy Creek

Good

McDowell County, North Carolina · .6 MI.W.JCT.NC226 · Structure no. 000000001110010

Built
2017
8 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
270
2015 count
Owner
State
State Highway Agency

About this bridge

SR1798 over Katy Creek is a prestressed concrete slab carrying SR1798 over Katy Creek in McDowell County, North Carolina. It was built in 2017, so it is 8 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 270 vehicles a day, roughly 6% of them trucks, projected to reach 540 by 2040. The structure is 58 ft (17.6 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1798
CrossesKaty Creek
Location.6 MI.W.JCT.NC226
RouteState Highway 1798
Coordinates35.61182, -81.8866
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length58 ft (17.6 m)
Longest span54 ft (16.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2015)
Projected traffic540 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1798 over Katy Creek built?

It was built in 2017, making it 8 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 270 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1798 over Katy Creek?

The structure is 58 ft (17.6 m) long with a longest span of 54 ft (16.4 m) and a deck 27 ft wide.

Who owns SR1798 over Katy Creek?

It is owned by the State Highway Agency.