US Bridges

Sumner Lake Blvd. over Flat Branch Trib.

Good

Manassas city, Virginia · 00.03 from Gaither St. · Structure no. 000000000027622

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,000
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sumner Lake Blvd. over Flat Branch Trib. is a concrete culvert carrying Sumner Lake Blvd. over Flat Branch Trib. in Manassas city, Virginia. It was built in 2001, so it is 24 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,500 by 2042. The structure is 34 ft (10.4 m) long.

Location

Open in Google Maps
CarriesSumner Lake Blvd.
CrossesFlat Branch Trib.
Location00.03 from Gaither St.
RouteCity Street 0
CountyManassas city
StateVirginia
Coordinates38.77624, -77.47782
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 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 traffic1,000 (2003)
Projected traffic1,500 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sumner Lake Blvd. over Flat Branch Trib. built?

It was built in 2001, making it 24 years old in 2025.

What condition is Sumner Lake Blvd. over Flat Branch Trib. 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 February 2024.

How much traffic does Sumner Lake Blvd. over Flat Branch Trib. carry?

About 1,000 vehicles per day (2003 count), of which roughly 3% are trucks.

How long is Sumner Lake Blvd. over Flat Branch Trib.?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Sumner Lake Blvd. over Flat Branch Trib.?

It is owned by the City or Municipal Highway Agency.