US Bridges

SR1148 over Portohonk Creek

Good

Camden County, North Carolina · 0.1 MI E JCT NC343 · Structure no. 000000000290041

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
110
2000 count
Owner
State
State Highway Agency

About this bridge

SR1148 over Portohonk Creek is a prestressed concrete slab carrying SR1148 over Portohonk Creek in Camden 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 110 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2040. The structure is 57 ft (17.3 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1148
CrossesPortohonk Creek
Location0.1 MI E JCT NC343
RouteState Highway 1148
Coordinates36.27244, -76.08063
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length57 ft (17.3 m)
Longest span55 ft (16.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2000)
Projected traffic220 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 SR1148 over Portohonk Creek built?

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

What condition is SR1148 over Portohonk 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 December 2024.

How much traffic does SR1148 over Portohonk Creek carry?

About 110 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1148 over Portohonk Creek?

The structure is 57 ft (17.3 m) long with a longest span of 55 ft (16.7 m) and a deck 30 ft wide.

Who owns SR1148 over Portohonk Creek?

It is owned by the State Highway Agency.