US Bridges

Md 185 over Proposed Roadway

Fair

Montgomery County, Maryland · 0.92 Mile South of Md 97 · Structure no. 100000150088010

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
306 ft
2 main spans
Daily traffic
36,532
2009 count
Owner
State
State Highway Agency

About this bridge

Md 185 over Proposed Roadway is a steel continuous stringer/multi-beam or girder carrying Md 185 over Proposed Roadway in Montgomery County, Maryland. It was built in 1968, so it is 57 years old, older 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 36,532 vehicles a day, roughly 8% of them trucks, projected to reach 47,206 by 2026. The structure is 306 ft (93.3 m) long and 122 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 185
CrossesProposed Roadway
Location0.92 Mile South of Md 97
RouteState Highway 185
Coordinates39.07141, -77.07672
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span113 ft (34.4 m)
Deck width122 ft (37.2 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,532 (2009)
Projected traffic47,206 by 2026
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Md 185 over Proposed Roadway built?

It was built in 1968, making it 57 years old in 2025.

What condition is Md 185 over Proposed Roadway 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 April 2024.

How much traffic does Md 185 over Proposed Roadway carry?

About 36,532 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 185 over Proposed Roadway?

The structure is 306 ft (93.3 m) long with a longest span of 113 ft (34.4 m) and a deck 122 ft wide.

Who owns Md 185 over Proposed Roadway?

It is owned by the State Highway Agency.