US Bridges

SR1146 over Trib. Henry Fork River

Good

Catawba County, North Carolina · 0.4 Mi. W. Jct. SR1145 · Structure no. 000000000350052

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1146 over Trib. Henry Fork River is a concrete continuous culvert carrying SR1146 over Trib. Henry Fork River in Catawba County, North Carolina. It was built in 2002, so it is 23 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 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,600 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1146
CrossesTrib. Henry Fork River
Location0.4 Mi. W. Jct. SR1145
RouteState Highway 1146
Coordinates35.64569, -81.29009
Functional classUrban Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic5,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1146 over Trib. Henry Fork River built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR1146 over Trib. Henry Fork 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 October 2024.

How much traffic does SR1146 over Trib. Henry Fork River carry?

About 2,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1146 over Trib. Henry Fork River?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1146 over Trib. Henry Fork River?

It is owned by the State Highway Agency.