US Bridges

SR1720 over Little Brushy Fork

Good

Davidson County, North Carolina · 0.4 Mi. N. Jct. SR1715 · Structure no. 000000000570113

Built
1992
33 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
150
1989 count
Owner
State
State Highway Agency

About this bridge

SR1720 over Little Brushy Fork is a concrete continuous culvert carrying SR1720 over Little Brushy Fork in Davidson County, North Carolina. It was built in 1992, so it is 33 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 150 vehicles a day, roughly 7% of them trucks, projected to reach 300 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1720
CrossesLittle Brushy Fork
Location0.4 Mi. N. Jct. SR1715
RouteState Highway 1720
Coordinates35.96181, -80.18645
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 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 rating65.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1989)
Projected traffic300 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1720 over Little Brushy Fork built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR1720 over Little 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 April 2022.

How much traffic does SR1720 over Little Brushy Fork carry?

About 150 vehicles per day (1989 count), of which roughly 7% are trucks.

How long is SR1720 over Little Brushy Fork?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m).

Who owns SR1720 over Little Brushy Fork?

It is owned by the State Highway Agency.