US Bridges

NC105 over Valley Creek

Good

Watauga County, North Carolina · .2 MI.S.JCT.SR1151 · Structure no. 000000001890378

Built
1960
65 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
13,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC105 over Valley Creek is a steel culvert carrying NC105 over Valley Creek in Watauga County, North Carolina. It was built in 1960, so it is 65 years old, older 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 13,000 vehicles a day, roughly 14% of them trucks, projected to reach 26,000 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNC105
CrossesValley Creek
Location.2 MI.S.JCT.SR1151
RouteState Highway 105
Coordinates36.14414, -81.7999
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2021)
Projected traffic26,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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 NC105 over Valley Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is NC105 over Valley 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 July 2023.

How much traffic does NC105 over Valley Creek carry?

About 13,000 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is NC105 over Valley Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns NC105 over Valley Creek?

It is owned by the State Highway Agency.