US Bridges

Little Seneca Park over Little Seneca Creek

Good

Montgomery County, Maryland · 0.1 Miles East of Md 355 · Structure no. 200000M-0373010

Built
2014
11 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
2,560
2024 count
Owner
County
County Highway Agency

About this bridge

Little Seneca Park over Little Seneca Creek is a prestressed concrete stringer/multi-beam or girder carrying Little Seneca Park over Little Seneca Creek in Montgomery County, Maryland. It was built in 2014, so it is 11 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 2,560 vehicles a day, roughly 5% of them trucks, projected to reach 3,895 by 2044. The structure is 135 ft (41.1 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLittle Seneca Park
CrossesLittle Seneca Creek
Location0.1 Miles East of Md 355
RouteCounty Highway 0
Coordinates39.2237, -77.25956
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating66 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length135 ft (41.1 m)
Longest span128 ft (39 m)
Deck width79 ft (24.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,560 (2024)
Projected traffic3,895 by 2044
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Little Seneca Park over Little Seneca Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Little Seneca Park over Little Seneca Creek 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 March 2024.

How much traffic does Little Seneca Park over Little Seneca Creek carry?

About 2,560 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Little Seneca Park over Little Seneca Creek?

The structure is 135 ft (41.1 m) long with a longest span of 128 ft (39 m) and a deck 79 ft wide.

Who owns Little Seneca Park over Little Seneca Creek?

It is owned by the County Highway Agency.