US Bridges

SR1412 over Porter Creek

Good

Columbus County, North Carolina · 0.2 Mi.E.Jct. SR1413 · Structure no. 000000000470138

Built
2017
8 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

SR1412 over Porter Creek is a prestressed concrete slab carrying SR1412 over Porter Creek in Columbus County, North Carolina. It was built in 2017, so it is 8 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1412
CrossesPorter Creek
Location0.2 Mi.E.Jct. SR1413
RouteState Highway 1412
Coordinates34.30286, -78.88545
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span38 ft (11.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SR1412 over Porter Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR1412 over Porter 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 March 2023.

How much traffic does SR1412 over Porter Creek carry?

About 250 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1412 over Porter Creek?

The structure is 113 ft (34.4 m) long with a longest span of 38 ft (11.5 m) and a deck 33 ft wide.

Who owns SR1412 over Porter Creek?

It is owned by the State Highway Agency.