US Bridges

RTE.659 Northstar over Wetlands

Good

Loudoun County, Virginia · 0.30FRRYAN 0.82TOBELMONT · Structure no. 000000000030408

Built
2004
21 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,800
2012 count
Owner
State
State Highway Agency

About this bridge

RTE.659 Northstar over Wetlands is a concrete culvert carrying RTE.659 Northstar over Wetlands in Loudoun County, Virginia. It was built in 2004, so it is 21 years old, younger than the Virginia average of 50.7 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 1,800 vehicles a day, roughly 2% of them trucks, projected to reach 4,200 by 2042. The structure is 22 ft (6.7 m) long and 24 ft wide.

CarriesRTE.659 Northstar
CrossesWetlands
Location0.30FRRYAN 0.82TOBELMONT
RouteCounty Highway 3171
Coordinates38.99135, -77.53587
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating83.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,800 (2012)
Projected traffic4,200 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 RTE.659 Northstar over Wetlands built?

It was built in 2004, making it 21 years old in 2025.

What condition is RTE.659 Northstar over Wetlands 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 June 2024.

How much traffic does RTE.659 Northstar over Wetlands carry?

About 1,800 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is RTE.659 Northstar over Wetlands?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns RTE.659 Northstar over Wetlands?

It is owned by the State Highway Agency.