US Bridges

Montrose Road over Ramp to I-270

Good

Montgomery County, Maryland · 0.1 MI W of I-270 · Structure no. 200000M-0211010

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
22,375
2022 count
Owner
County
County Highway Agency

About this bridge

Montrose Road over Ramp to I-270 is a steel stringer/multi-beam or girder carrying Montrose Road over Ramp to I-270 in Montgomery County, Maryland. It was built in 1990, so it is 35 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 22,375 vehicles a day, roughly 5% of them trucks, projected to reach 27,329 by 2042. The structure is 59 ft (18 m) long and 132 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMontrose Road
CrossesRamp to I-270
Location0.1 MI W of I-270
RouteCounty Highway 144
CountyMontgomery County
StateMaryland
Coordinates39.05678, -77.15814
Functional classUrban Local

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span55 ft (16.8 m)
Deck width132 ft (40.1 m)
Roadway width103 ft (31.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,375 (2022)
Projected traffic27,329 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Montrose Road over Ramp to I-270 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Montrose Road over Ramp to I-270 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 August 2023.

How much traffic does Montrose Road over Ramp to I-270 carry?

About 22,375 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Montrose Road over Ramp to I-270?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.8 m) and a deck 132 ft wide.

Who owns Montrose Road over Ramp to I-270?

It is owned by the County Highway Agency.