US Bridges

SR1486 over Boulding Branch

Good

Guilford County, North Carolina · 0.6 Mi. W. Jct. SR1471 · Structure no. 000000000810895

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
11,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR1486 over Boulding Branch is a concrete continuous culvert carrying SR1486 over Boulding Branch in Guilford County, North Carolina. It was built in 2016, so it is 9 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 11,500 vehicles a day, roughly 12% of them trucks, projected to reach 23,000 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1486
CrossesBoulding Branch
Location0.6 Mi. W. Jct. SR1471
RouteState Highway 1486
Coordinates35.97971, -79.99061
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
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 rating71 US tons
Inventory rating54.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2021)
Projected traffic23,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1486 over Boulding Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR1486 over Boulding Branch 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 2024.

How much traffic does SR1486 over Boulding Branch carry?

About 11,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR1486 over Boulding Branch?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m).

Who owns SR1486 over Boulding Branch?

It is owned by the State Highway Agency.