US Bridges

SR1109 over Laurel Fork

Good

Watauga County, North Carolina · 0.1M. N. Jct. NC105 · Structure no. 000000001890093

Built
2018
7 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1109 over Laurel Fork is a prestressed concrete slab carrying SR1109 over Laurel Fork in Watauga County, North Carolina. It was built in 2018, so it is 7 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 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 4,000 by 2040. The structure is 58 ft (17.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1109
CrossesLaurel Fork
Location0.1M. N. Jct. NC105
RouteState Highway 1109
Coordinates36.2045, -81.73491
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating65.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length58 ft (17.6 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic4,000 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 SR1109 over Laurel Fork built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR1109 over Laurel 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 September 2023.

How much traffic does SR1109 over Laurel Fork carry?

About 2,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1109 over Laurel Fork?

The structure is 58 ft (17.6 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns SR1109 over Laurel Fork?

It is owned by the State Highway Agency.