US Bridges

Tuckerman Lane over Snakeden Branch

Poor

Montgomery County, Maryland · .5 MI W of Seven Locks RD · Structure no. 200000M-0169030

Built
1966
59 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
19,882
2023 count
Owner
County
County Highway Agency

About this bridge

Tuckerman Lane over Snakeden Branch is a steel culvert carrying Tuckerman Lane over Snakeden Branch in Montgomery County, Maryland. It was built in 1966, so it is 59 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 19,882 vehicles a day, roughly 5% of them trucks, projected to reach 22,444 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTuckerman Lane
CrossesSnakeden Branch
Location.5 MI W of Seven Locks RD
RouteCounty Highway 164
CountyMontgomery County
StateMaryland
Coordinates39.04112, -77.16219
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,882 (2023)
Projected traffic22,444 by 2043
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tuckerman Lane over Snakeden Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is Tuckerman Lane over Snakeden Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Tuckerman Lane over Snakeden Branch carry?

About 19,882 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Tuckerman Lane over Snakeden Branch?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Tuckerman Lane over Snakeden Branch?

It is owned by the County Highway Agency.