US Bridges

Skylark Road over Little Seneca Creek

Fair

Montgomery County, Maryland · 0.7 Miles West of Md 27 · Structure no. 200000M-0335010

Built
2006
19 years old
Condition
Fair
inspected February 2023
Type
Arch - Deck
Steel
Length
46 ft
1 main span
Daily traffic
5,507
2023 count
Owner
County
County Highway Agency

About this bridge

Skylark Road over Little Seneca Creek is a steel arch - deck carrying Skylark Road over Little Seneca Creek in Montgomery County, Maryland. It was built in 2006, so it is 19 years old, younger than the Maryland average of 52.6 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 5,507 vehicles a day, roughly 5% of them trucks, projected to reach 6,805 by 2043. The structure is 46 ft (14 m) long and 96 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSkylark Road
CrossesLittle Seneca Creek
Location0.7 Miles West of Md 27
RouteCounty Highway 20
CountyMontgomery County
StateMaryland
Coordinates39.2361, -77.24892
Functional classRural 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating93 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width96 ft (29.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,507 (2023)
Projected traffic6,805 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Skylark Road over Little Seneca Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Skylark Road over Little Seneca Creek 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 February 2023.

How much traffic does Skylark Road over Little Seneca Creek carry?

About 5,507 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Skylark Road over Little Seneca Creek?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 96 ft wide.

Who owns Skylark Road over Little Seneca Creek?

It is owned by the County Highway Agency.