US Bridges

Preserve Parkway over Cabin John Creek Tributa

Good

Montgomery County, Maryland · 0.1M S of Wootton Pkwy · Structure no. 200000M-R-22020

Built
1999
26 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
Daily traffic
2,840
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Preserve Parkway over Cabin John Creek Tributa is a concrete culvert carrying Preserve Parkway over Cabin John Creek Tributa in Montgomery County, Maryland. It was built in 1999, so it is 26 years old, younger than the Maryland average of 52.6 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 2,840 vehicles a day, roughly 1% of them trucks, projected to reach 3,820 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPreserve Parkway
CrossesCabin John Creek Tributa
Location0.1M S of Wootton Pkwy
RouteCounty Highway 2468
Coordinates39.0667, -77.15031
Functional classUrban Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 alignment6: Equal to present minimum criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length27 ft (8.2 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 traffic2,840 (2022)
Projected traffic3,820 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Preserve Parkway over Cabin John Creek Tributa built?

It was built in 1999, making it 26 years old in 2025.

What condition is Preserve Parkway over Cabin John Creek Tributa 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 November 2024.

How much traffic does Preserve Parkway over Cabin John Creek Tributa carry?

About 2,840 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Preserve Parkway over Cabin John Creek Tributa?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Preserve Parkway over Cabin John Creek Tributa?

It is owned by the City or Municipal Highway Agency.