US Bridges

Jefferson Davis Hy over Giles Run

Good

Fairfax County, Virginia · 00.06 3180 / 00.99 611 · Structure no. 000000000006222

Built
1994
31 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
34,779
2022 count
Owner
State
State Highway Agency

About this bridge

Jefferson Davis Hy over Giles Run is a concrete culvert carrying Jefferson Davis Hy over Giles Run in Fairfax County, Virginia. It was built in 1994, so it is 31 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 34,779 vehicles a day, roughly 2% of them trucks, projected to reach 38,779 by 2045. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJefferson Davis Hy
CrossesGiles Run
Location00.06 3180 / 00.99 611
RouteU.S. Route 1
Coordinates38.67984, -77.22629
Functional classUrban Other Principal Arterial

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,779 (2022)
Projected traffic38,779 by 2045
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$55 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Jefferson Davis Hy over Giles Run built?

It was built in 1994, making it 31 years old in 2025.

What condition is Jefferson Davis Hy over Giles 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 April 2023.

How much traffic does Jefferson Davis Hy over Giles Run carry?

About 34,779 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Jefferson Davis Hy over Giles Run?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Jefferson Davis Hy over Giles Run?

It is owned by the State Highway Agency.