US Bridges

SR1308 over Knobbs Creek

Good

Pasquotank County, North Carolina · 0.3 MI W JCT US 17 Byp · Structure no. 000000001390023

Built
2013
12 years old
Condition
Good
inspected May 2021
Type
Slab
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
3,000
2019 count
Owner
State
State Highway Agency

About this bridge

SR1308 over Knobbs Creek is a prestressed concrete slab carrying SR1308 over Knobbs Creek in Pasquotank County, North Carolina. It was built in 2013, so it is 12 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,000 by 2040. The structure is 63 ft (19.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1308
CrossesKnobbs Creek
Location0.3 MI W JCT US 17 Byp
RouteState Highway 1308
Coordinates36.29975, -76.24609
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span55 ft (16.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2019)
Projected traffic6,000 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 SR1308 over Knobbs Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR1308 over Knobbs 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 May 2021.

How much traffic does SR1308 over Knobbs Creek carry?

About 3,000 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1308 over Knobbs Creek?

The structure is 63 ft (19.2 m) long with a longest span of 55 ft (16.7 m) and a deck 33 ft wide.

Who owns SR1308 over Knobbs Creek?

It is owned by the State Highway Agency.