US Bridges

Montevideo Road over Dry Seneca Creek

GoodPosted for load

Montgomery County, Maryland · 1.1 Miles North of Md 190 · Structure no. 200000M-0030010

Built
1910
115 years old, rebuilt 2018
Condition
Good
inspected March 2023
Type
Truss - Thru
Steel
Length
53 ft
1 main span
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Montevideo Road over Dry Seneca Creek is a steel truss - thru carrying Montevideo Road over Dry Seneca Creek in Montgomery County, Maryland. It was built in 1910 and reconstructed in 2018, so it is 115 years old, older 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2041. The structure is 53 ft (16.1 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMontevideo Road
CrossesDry Seneca Creek
Location1.1 Miles North of Md 190
RouteCounty Highway 266
CountyMontgomery County
StateMaryland
Coordinates39.09365, -77.34716
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.1 m)
Longest span49 ft (14.9 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic200 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Montevideo Road over Dry Seneca Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2018.

What condition is Montevideo Road over Dry 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 2023.

How much traffic does Montevideo Road over Dry Seneca Creek carry?

About 150 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Montevideo Road over Dry Seneca Creek?

The structure is 53 ft (16.1 m) long with a longest span of 49 ft (14.9 m) and a deck 14 ft wide.

Who owns Montevideo Road over Dry Seneca Creek?

It is owned by the County Highway Agency.