US Bridges

Jefferson Avenue over Tripps Run

Good

Fairfax County, Virginia · 00.05FR1760/00.05TO1757 · Structure no. 000000000006944

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
804
2022 count
Owner
State
State Highway Agency

About this bridge

Jefferson Avenue over Tripps Run is a steel stringer/multi-beam or girder carrying Jefferson Avenue over Tripps Run in Fairfax County, Virginia. It was built in 1971, so it is 54 years old, older 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 804 vehicles a day, projected to reach 921 by 2042. The structure is 71 ft (21.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesJefferson Avenue
CrossesTripps Run
Location00.05FR1760/00.05TO1757
RouteCounty Highway 1723
CountyFairfax County
StateVirginia
Coordinates38.87101, -77.17807
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating60.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic804 (2022)
Projected traffic921 by 2042
Trucks0%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Jefferson Avenue over Tripps Run built?

It was built in 1971, making it 54 years old in 2025.

What condition is Jefferson Avenue over Tripps 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 February 2024.

How much traffic does Jefferson Avenue over Tripps Run carry?

About 804 vehicles per day (2022 count).

How long is Jefferson Avenue over Tripps Run?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns Jefferson Avenue over Tripps Run?

It is owned by the State Highway Agency.