US Bridges

SR1321 over W.Fork Twelve Mi. Creek

Good

Union County, North Carolina · 0.3 Mi. E. Jct. NC16 · Structure no. 000000001790223

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
1 main span
Daily traffic
11,000
2016 count
Owner
State
State Highway Agency

About this bridge

SR1321 over W.Fork Twelve Mi. Creek is a steel stringer/multi-beam or girder carrying SR1321 over W.Fork Twelve Mi. Creek in Union County, North Carolina. It was built in 2009, so it is 16 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 11,000 vehicles a day, roughly 6% of them trucks, projected to reach 22,000 by 2040. The structure is 115 ft (35 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1321
CrossesW.Fork Twelve Mi. Creek
Location0.3 Mi. E. Jct. NC16
RouteState Highway 1321
CountyUnion County
StateNorth Carolina
Coordinates34.95755, -80.75197
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating72 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length115 ft (35 m)
Longest span113 ft (34.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2016)
Projected traffic22,000 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1321 over W.Fork Twelve Mi. Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR1321 over W.Fork Twelve Mi. 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 July 2023.

How much traffic does SR1321 over W.Fork Twelve Mi. Creek carry?

About 11,000 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1321 over W.Fork Twelve Mi. Creek?

The structure is 115 ft (35 m) long with a longest span of 113 ft (34.4 m) and a deck 33 ft wide.

Who owns SR1321 over W.Fork Twelve Mi. Creek?

It is owned by the State Highway Agency.