US Bridges

Old Dominion Drive over Pimmit Run

Good

Fairfax County, Virginia · 00.62FR689/00.21TO1809 · Structure no. 000000000006542

Built
1920
105 years old, rebuilt 2002
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
15,264
2022 count
Owner
State
State Highway Agency

About this bridge

Old Dominion Drive over Pimmit Run is a steel stringer/multi-beam or girder carrying Old Dominion Drive over Pimmit Run in Fairfax County, Virginia. It was built in 1920 and reconstructed in 2002, so it is 105 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 15,264 vehicles a day, projected to reach 17,019 by 2042. The structure is 40 ft (12.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesOld Dominion Drive
CrossesPimmit Run
Location00.62FR689/00.21TO1809
RouteState Highway 309
CountyFairfax County
StateVirginia
Coordinates38.92966, -77.16946
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating39.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,264 (2022)
Projected traffic17,019 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$300 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Dominion Drive over Pimmit Run built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2002.

What condition is Old Dominion Drive over Pimmit 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 2024.

How much traffic does Old Dominion Drive over Pimmit Run carry?

About 15,264 vehicles per day (2022 count).

How long is Old Dominion Drive over Pimmit Run?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns Old Dominion Drive over Pimmit Run?

It is owned by the State Highway Agency.