US Bridges

Twin Lake Drive over Johnny Moore Creek

Good

Fairfax County, Virginia · 0.53FR645 0.53TO659 · Structure no. 000000000030109

Built
2014
11 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
1,375
2015 count
Owner
State
State Highway Agency

About this bridge

Twin Lake Drive over Johnny Moore Creek is a prestressed concrete slab carrying Twin Lake Drive over Johnny Moore Creek in Fairfax County, Virginia. It was built in 2014, so it is 11 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 1,375 vehicles a day, projected to reach 1,581 by 2042. The structure is 27 ft (8.2 m) long and 30 ft wide.

CarriesTwin Lake Drive
CrossesJohnny Moore Creek
Location0.53FR645 0.53TO659
RouteCounty Highway 3546
Coordinates38.81525, -77.40536
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.3 US tons
Inventory rating56.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,375 (2015)
Projected traffic1,581 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Twin Lake Drive over Johnny Moore Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Twin Lake Drive over Johnny Moore Creek 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 August 2024.

How much traffic does Twin Lake Drive over Johnny Moore Creek carry?

About 1,375 vehicles per day (2015 count).

How long is Twin Lake Drive over Johnny Moore Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns Twin Lake Drive over Johnny Moore Creek?

It is owned by the State Highway Agency.