US Bridges

Windermere Hill DR over Giles Mill Branch

Good

Fairfax County, Virginia · 00.02FR642/00.10TOSKIDDAW · Structure no. 000000000027745

Built
2003
22 years old
Condition
Good
inspected January 2023
Type
Arch - Deck
Concrete
Length
44 ft
2 main spans
Daily traffic
911
2014 count
Owner
State
State Highway Agency

About this bridge

Windermere Hill DR over Giles Mill Branch is a concrete arch - deck carrying Windermere Hill DR over Giles Mill Branch in Fairfax County, Virginia. It was built in 2003, so it is 22 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 911 vehicles a day, roughly 1% of them trucks, projected to reach 1,476 by 2045. The structure is 44 ft (13.4 m) long and 96 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesWindermere Hill DR
CrossesGiles Mill Branch
Location00.02FR642/00.10TOSKIDDAW
RouteCounty Highway 1108
CountyFairfax County
StateVirginia
Coordinates38.70424, -77.23248
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating74.2 US tons
Inventory rating54.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width96 ft (29.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic911 (2014)
Projected traffic1,476 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Windermere Hill DR over Giles Mill Branch built?

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

What condition is Windermere Hill DR over Giles Mill 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 January 2023.

How much traffic does Windermere Hill DR over Giles Mill Branch carry?

About 911 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Windermere Hill DR over Giles Mill Branch?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 96 ft wide.

Who owns Windermere Hill DR over Giles Mill Branch?

It is owned by the State Highway Agency.