US Bridges

Forest Mills Road over Trib of Crooked Run

Good

Loudoun County, Virginia · 00.62FR722 00.04TO841 _ · Structure no. 000000000030112

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
93
2014 count
Owner
State
State Highway Agency

About this bridge

Forest Mills Road over Trib of Crooked Run is a prestressed concrete slab carrying Forest Mills Road over Trib of Crooked Run in Loudoun County, Virginia. It was built in 2017, so it is 8 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 93 vehicles a day, roughly 2% of them trucks, projected to reach 151 by 2045. The structure is 70 ft (21.3 m) long and 17 ft wide.

Location

Open in Google Maps
CarriesForest Mills Road
CrossesTrib of Crooked Run
Location00.62FR722 00.04TO841 _
RouteCounty Highway 727
CountyLoudoun County
StateVirginia
Coordinates39.09204, -77.68245
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span31 ft (9.4 m)
Deck width17 ft (5.2 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic93 (2014)
Projected traffic151 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-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 Forest Mills Road over Trib of Crooked Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Forest Mills Road over Trib of Crooked 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 October 2023.

How much traffic does Forest Mills Road over Trib of Crooked Run carry?

About 93 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Forest Mills Road over Trib of Crooked Run?

The structure is 70 ft (21.3 m) long with a longest span of 31 ft (9.4 m) and a deck 17 ft wide.

Who owns Forest Mills Road over Trib of Crooked Run?

It is owned by the State Highway Agency.