US Bridges

Md 190 over Muddy Branch

Fair

Montgomery County, Maryland · 0.98 M E of Pettit Way · Structure no. 100000150007010

Built
1954
71 years old, rebuilt 1986
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
3,592
2009 count
Owner
State
State Highway Agency

About this bridge

Md 190 over Muddy Branch is a steel stringer/multi-beam or girder carrying Md 190 over Muddy Branch in Montgomery County, Maryland. It was built in 1954 and reconstructed in 1986, so it is 71 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 3,592 vehicles a day, roughly 8% of them trucks, projected to reach 4,061 by 2026. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMd 190
CrossesMuddy Branch
Location0.98 M E of Pettit Way
RouteState Highway 190
Coordinates39.0634, -77.29473
Functional classUrban Minor 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.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,592 (2009)
Projected traffic4,061 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 190 over Muddy Branch built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1986.

What condition is Md 190 over Muddy Branch 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 March 2023.

How much traffic does Md 190 over Muddy Branch carry?

About 3,592 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 190 over Muddy Branch?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Md 190 over Muddy Branch?

It is owned by the State Highway Agency.