US Bridges

SR1304 over Twelve Mile Creek TRIB.4

Good

Union County, North Carolina · 0.5 Mi. W. Jct. NC16 · Structure no. 000000001790359

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
2,000
2017 count
Owner
State
State Highway Agency

About this bridge

SR1304 over Twelve Mile Creek TRIB.4 is a prestressed concrete slab carrying SR1304 over Twelve Mile Creek TRIB.4 in Union County, North Carolina. It was built in 2015, so it is 10 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 2,000 vehicles a day, roughly 7% of them trucks, projected to reach 4,000 by 2040. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1304
CrossesTwelve Mile Creek TRIB.4
Location0.5 Mi. W. Jct. NC16
RouteState Highway 1304
Coordinates34.94606, -80.76287
Functional classUrban 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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2017)
Projected traffic4,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1304 over Twelve Mile Creek TRIB.4 built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR1304 over Twelve Mile Creek TRIB.4 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 August 2023.

How much traffic does SR1304 over Twelve Mile Creek TRIB.4 carry?

About 2,000 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR1304 over Twelve Mile Creek TRIB.4?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 36 ft wide.

Who owns SR1304 over Twelve Mile Creek TRIB.4?

It is owned by the State Highway Agency.