US Bridges

Avion Pkwy. over Cain Branch

Good

Fairfax County, Virginia · 0.20 FR 50 0.75 to 607 · Structure no. 000000000023135

Built
1987
38 years old
Condition
Good
inspected April 2023
Type
Arch - Deck
Concrete
Length
45 ft
1 main span
Daily traffic
2,000
2003 count
Owner
State
State Highway Agency

About this bridge

Avion Pkwy. over Cain Branch is a concrete arch - deck carrying Avion Pkwy. over Cain Branch in Fairfax County, Virginia. It was built in 1987, so it is 38 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,000 by 2042. The structure is 45 ft (13.7 m) long and 146 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAvion Pkwy.
CrossesCain Branch
Location0.20 FR 50 0.75 to 607
RouteCounty Highway 1279
CountyFairfax County
StateVirginia
Coordinates38.90469, -77.44906
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 protection8 Very GoodNo problems noted.
Last inspectionApril 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 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 rating81 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width146 ft (44.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic2,000 (2003)
Projected traffic5,000 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Avion Pkwy. over Cain Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Avion Pkwy. over Cain 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 April 2023.

How much traffic does Avion Pkwy. over Cain Branch carry?

About 2,000 vehicles per day (2003 count), of which roughly 2% are trucks.

How long is Avion Pkwy. over Cain Branch?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 146 ft wide.

Who owns Avion Pkwy. over Cain Branch?

It is owned by the State Highway Agency.