US Bridges

Gateway Blvd. over Cannon Branch

Fair

Manassas city, Virginia · 00.40FR000/00.10TO000 · Structure no. 000000000024340

Built
1995
30 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
65 ft
4 main spans
Daily traffic
500
1997 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gateway Blvd. over Cannon Branch is a concrete culvert carrying Gateway Blvd. over Cannon Branch in Manassas city, Virginia. It was built in 1995, so it is 30 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, roughly 2% of them trucks, projected to reach 2,000 by 2042. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGateway Blvd.
CrossesCannon Branch
Location00.40FR000/00.10TO000
RouteCity Street 0
CountyManassas city
StateVirginia
Coordinates38.73851, -77.51547
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans4
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1997)
Projected traffic2,000 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 Gateway Blvd. over Cannon Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Gateway Blvd. over Cannon Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Gateway Blvd. over Cannon Branch carry?

About 500 vehicles per day (1997 count), of which roughly 2% are trucks.

How long is Gateway Blvd. over Cannon Branch?

The structure is 65 ft (19.8 m) long with a longest span of 16 ft (4.9 m).

Who owns Gateway Blvd. over Cannon Branch?

It is owned by the City or Municipal Highway Agency.