US Bridges

NC11 over Colly Creek

Good

Bladen County, North Carolina · 0.2 MI N JCT NC210 · Structure no. 000000000170059

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
171 ft
3 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

NC11 over Colly Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NC11 over Colly Creek in Bladen County, North Carolina. It was built in 2003, so it is 22 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 1,600 vehicles a day, roughly 7% of them trucks, projected to reach 3,200 by 2040. The structure is 171 ft (52.1 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC11
CrossesColly Creek
Location0.2 MI N JCT NC210
RouteState Highway 11
Coordinates34.44686, -78.21247
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating94.9 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span64 ft (19.5 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic3,200 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 NC11 over Colly Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is NC11 over Colly 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 August 2023.

How much traffic does NC11 over Colly Creek carry?

About 1,600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC11 over Colly Creek?

The structure is 171 ft (52.1 m) long with a longest span of 64 ft (19.5 m) and a deck 36 ft wide.

Who owns NC11 over Colly Creek?

It is owned by the State Highway Agency.