US Bridges

RTE.29 Lee Hwy. over Little Rocky Run

Good

Fairfax County, Virginia · 0.85FR28 0.5TO645 · Structure no. 000000000030235

Built
2015
10 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
156 ft
2 main spans
Daily traffic
15,504
2022 count
Owner
State
State Highway Agency

About this bridge

RTE.29 Lee Hwy. over Little Rocky Run is a prestressed concrete box beam or girders - multiple carrying RTE.29 Lee Hwy. over Little Rocky Run in Fairfax County, Virginia. It was built in 2015, so it is 10 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 15,504 vehicles a day, projected to reach 22,637 by 2045. The structure is 156 ft (47.5 m) long and 124 ft wide.

Location

Open in Google Maps
CarriesRTE.29 Lee Hwy.
CrossesLittle Rocky Run
Location0.85FR28 0.5TO645
RouteU.S. Route 29
CountyFairfax County
StateVirginia
Coordinates38.83893, -77.41551
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating99 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span76 ft (23.2 m)
Deck width124 ft (37.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic15,504 (2022)
Projected traffic22,637 by 2045
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 RTE.29 Lee Hwy. over Little Rocky Run built?

It was built in 2015, making it 10 years old in 2025.

What condition is RTE.29 Lee Hwy. over Little Rocky 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 January 2023.

How much traffic does RTE.29 Lee Hwy. over Little Rocky Run carry?

About 15,504 vehicles per day (2022 count).

How long is RTE.29 Lee Hwy. over Little Rocky Run?

The structure is 156 ft (47.5 m) long with a longest span of 76 ft (23.2 m) and a deck 124 ft wide.

Who owns RTE.29 Lee Hwy. over Little Rocky Run?

It is owned by the State Highway Agency.