US Bridges

SR1346 over W. Fork Twelvemile Creek

Fair

Union County, North Carolina · 0.2 Mi. E. Jct. SR1338 · Structure no. 000000001790233

Built
1997
28 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
1,900
2016 count
Owner
State
State Highway Agency

About this bridge

SR1346 over W. Fork Twelvemile Creek is a concrete continuous culvert carrying SR1346 over W. Fork Twelvemile Creek in Union County, North Carolina. It was built in 1997, so it is 28 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,900 vehicles a day, roughly 7% of them trucks, projected to reach 3,800 by 2040. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1346
CrossesW. Fork Twelvemile Creek
Location0.2 Mi. E. Jct. SR1338
RouteState Highway 1346
Coordinates35.02037, -80.70572
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length40 ft (12.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2016)
Projected traffic3,800 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 SR1346 over W. Fork Twelvemile Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1346 over W. Fork Twelvemile Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does SR1346 over W. Fork Twelvemile Creek carry?

About 1,900 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR1346 over W. Fork Twelvemile Creek?

The structure is 40 ft (12.1 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1346 over W. Fork Twelvemile Creek?

It is owned by the State Highway Agency.