US Bridges

SR1311 over Brushy Fork

Good

Watauga County, North Carolina · 300 FT.N.JCT.US321 421 · Structure no. 000000001890009

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
270
2017 count
Owner
State
State Highway Agency

About this bridge

SR1311 over Brushy Fork is a concrete culvert carrying SR1311 over Brushy Fork in Watauga County, North Carolina. It was built in 1998, so it is 27 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 270 vehicles a day, roughly 6% of them trucks, projected to reach 540 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1311
CrossesBrushy Fork
Location300 FT.N.JCT.US321 421
RouteState Highway 1311
Coordinates36.24408, -81.76513
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2017)
Projected traffic540 by 2040
Trucks6%
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 SR1311 over Brushy Fork built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR1311 over Brushy Fork 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 SR1311 over Brushy Fork carry?

About 270 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1311 over Brushy Fork?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6 m).

Who owns SR1311 over Brushy Fork?

It is owned by the State Highway Agency.