US Bridges

Beach Mill Road over Nichols Run

Good

Fairfax County, Virginia · 0.30FR717 00.50TO674 · Structure no. 000000000029946

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
1,245
2022 count
Owner
State
State Highway Agency

About this bridge

Beach Mill Road over Nichols Run is a steel stringer/multi-beam or girder carrying Beach Mill Road over Nichols Run in Fairfax County, Virginia. It was built in 2013, so it is 12 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 1,245 vehicles a day, projected to reach 1,818 by 2045. The structure is 41 ft (12.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBeach Mill Road
CrossesNichols Run
Location0.30FR717 00.50TO674
RouteCounty Highway 603
Coordinates39.03065, -77.3154
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating88.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,245 (2022)
Projected traffic1,818 by 2045
Trucks0%
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 Beach Mill Road over Nichols Run built?

It was built in 2013, making it 12 years old in 2025.

What condition is Beach Mill Road over Nichols Run 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 August 2023.

How much traffic does Beach Mill Road over Nichols Run carry?

About 1,245 vehicles per day (2022 count).

How long is Beach Mill Road over Nichols Run?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 18 ft wide.

Who owns Beach Mill Road over Nichols Run?

It is owned by the State Highway Agency.