US Bridges

West Old Baltimore over Cabin Branch

Good

Montgomery County, Maryland · 0.5 Miles East of Md 121 · Structure no. 200000M-0376030

Built
2016
9 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
20 ft
Daily traffic
2,221
2022 count
Owner
County
County Highway Agency

About this bridge

West Old Baltimore over Cabin Branch is a steel culvert carrying West Old Baltimore over Cabin Branch in Montgomery County, Maryland. It was built in 2016, so it is 9 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 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 2,221 vehicles a day, roughly 5% of them trucks, projected to reach 3,998 by 2042. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWest Old Baltimore
CrossesCabin Branch
Location0.5 Miles East of Md 121
RouteCounty Highway 231
Coordinates39.21373, -77.28869
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,221 (2022)
Projected traffic3,998 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 West Old Baltimore over Cabin Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is West Old Baltimore over Cabin Branch 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 2023.

How much traffic does West Old Baltimore over Cabin Branch carry?

About 2,221 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is West Old Baltimore over Cabin Branch?

The structure is 20 ft (6.2 m) long with a longest span of 19 ft (5.8 m).

Who owns West Old Baltimore over Cabin Branch?

It is owned by the County Highway Agency.