US Bridges

Great Falls St. over Pimmit Run

Good

Fairfax County, Virginia · 00.08FR2672/00.20TO695 · Structure no. 000000000006850

Built
1980
45 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
10,101
2022 count
Owner
State
State Highway Agency

About this bridge

Great Falls St. over Pimmit Run is a concrete culvert carrying Great Falls St. over Pimmit Run in Fairfax County, Virginia. It was built in 1980, so it is 45 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 10,101 vehicles a day, projected to reach 10,401 by 2045. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGreat Falls St.
CrossesPimmit Run
Location00.08FR2672/00.20TO695
RouteCounty Highway 694
CountyFairfax County
StateVirginia
Coordinates38.91148, -77.18446
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 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 traffic10,101 (2022)
Projected traffic10,401 by 2045
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$5.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Great Falls St. over Pimmit Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is Great Falls St. 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 April 2023.

How much traffic does Great Falls St. over Pimmit Run carry?

About 10,101 vehicles per day (2022 count).

How long is Great Falls St. over Pimmit Run?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Great Falls St. over Pimmit Run?

It is owned by the State Highway Agency.