US Bridges

SR1810 over Allen Creek

Good

Catawba County, North Carolina · 0.03 MI S JCT SR1874 · Structure no. 000000000350131

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
4,900
2021 count
Owner
State
State Highway Agency

About this bridge

SR1810 over Allen Creek is a prestressed concrete slab carrying SR1810 over Allen Creek in Catawba 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 4,900 vehicles a day, roughly 6% of them trucks, projected to reach 9,800 by 2040. The structure is 80 ft (24.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1810
CrossesAllen Creek
Location0.03 MI S JCT SR1874
RouteState Highway 1810
Coordinates35.58355, -81.19478
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating53.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length80 ft (24.3 m)
Longest span52 ft (15.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2021)
Projected traffic9,800 by 2040
Trucks6%
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 SR1810 over Allen Creek built?

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

What condition is SR1810 over Allen 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 2025.

How much traffic does SR1810 over Allen Creek carry?

About 4,900 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1810 over Allen Creek?

The structure is 80 ft (24.3 m) long with a longest span of 52 ft (15.8 m) and a deck 33 ft wide.

Who owns SR1810 over Allen Creek?

It is owned by the State Highway Agency.