US Bridges

SR1686 over Patterson Avenue

Good

Forsyth County, North Carolina · 0.2 Mi. E. Jct. US52 · Structure no. 000000000670207

Built
2003
22 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
1 main span
Daily traffic
6,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1686 over Patterson Avenue is a steel stringer/multi-beam or girder carrying SR1686 over Patterson Avenue in Forsyth County, North Carolina. It was built in 2003, so it is 22 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 6,700 vehicles a day, roughly 7% of them trucks, projected to reach 13,400 by 2040. The structure is 183 ft (55.7 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1686
CrossesPatterson Avenue
Location0.2 Mi. E. Jct. US52
RouteState Highway 1686
Coordinates36.17392, -80.26571
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length183 ft (55.7 m)
Longest span177 ft (53.9 m)
Deck width53 ft (16.1 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic13,400 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1686 over Patterson Avenue built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1686 over Patterson Avenue 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 SR1686 over Patterson Avenue carry?

About 6,700 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1686 over Patterson Avenue?

The structure is 183 ft (55.7 m) long with a longest span of 177 ft (53.9 m) and a deck 53 ft wide.

Who owns SR1686 over Patterson Avenue?

It is owned by the State Highway Agency.