US Bridges

Collingwood Road over Tributary North Branch

Fair

Fairfax County, Virginia · 00.03FR2095/00.02TO3368 · Structure no. 000000000024995

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
90 ft
4 main spans
Daily traffic
8,330
2022 count
Owner
State
State Highway Agency

About this bridge

Collingwood Road over Tributary North Branch is a concrete culvert carrying Collingwood Road over Tributary North Branch in Fairfax County, Virginia. It was built in 1997, so it is 28 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 8,330 vehicles a day, roughly 2% of them trucks, projected to reach 9,019 by 2045. The structure is 90 ft (27.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCollingwood Road
CrossesTributary North Branch
Location00.03FR2095/00.02TO3368
RouteCounty Highway 628
Coordinates38.73624, -77.0672
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length90 ft (27.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,330 (2022)
Projected traffic9,019 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Collingwood Road over Tributary North Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Collingwood Road over Tributary North 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 Collingwood Road over Tributary North Branch carry?

About 8,330 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Collingwood Road over Tributary North Branch?

The structure is 90 ft (27.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Collingwood Road over Tributary North Branch?

It is owned by the State Highway Agency.