US Bridges

Thoroughfare Road over Trib of Lake Manassas

Good

Prince William County, Virginia · 00.43FR15 00.18TO Sugar · Structure no. 000000000031618

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
152
2016 count
Owner
State
State Highway Agency

About this bridge

Thoroughfare Road over Trib of Lake Manassas is a concrete culvert carrying Thoroughfare Road over Trib of Lake Manassas in Prince William County, Virginia. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 152 vehicles a day, projected to reach 174 by 2042. The structure is 27 ft (8.3 m) long.

CarriesThoroughfare Road
CrossesTrib of Lake Manassas
Location00.43FR15 00.18TO Sugar
RouteCounty Highway 682
Coordinates38.79811, -77.65498
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating78.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic152 (2016)
Projected traffic174 by 2042
Trucks—
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 Thoroughfare Road over Trib of Lake Manassas built?

It was built in 2021, making it 4 years old in 2025.

What condition is Thoroughfare Road over Trib of Lake Manassas 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 July 2024.

How much traffic does Thoroughfare Road over Trib of Lake Manassas carry?

About 152 vehicles per day (2016 count).

How long is Thoroughfare Road over Trib of Lake Manassas?

The structure is 27 ft (8.3 m) long with a longest span of 8 ft (2.4 m).

Who owns Thoroughfare Road over Trib of Lake Manassas?

It is owned by the State Highway Agency.