US Bridges

Muddy Branch Road over Muddy Branch

Fair

Montgomery County, Maryland · 1 Mile North of Md 119 · Structure no. 200000M-0053020

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
42 ft
Daily traffic
24,785
2023 count
Owner
County
County Highway Agency

About this bridge

Muddy Branch Road over Muddy Branch is a concrete culvert carrying Muddy Branch Road over Muddy Branch in Montgomery County, Maryland. It was built in 1987, so it is 38 years old, younger 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 24,785 vehicles a day, roughly 5% of them trucks, projected to reach 32,216 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMuddy Branch Road
CrossesMuddy Branch
Location1 Mile North of Md 119
RouteCounty Highway 81
CountyMontgomery County
StateMaryland
Coordinates39.11994, -77.21689
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,785 (2023)
Projected traffic32,216 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Muddy Branch Road over Muddy Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Muddy Branch Road 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 Muddy Branch Road over Muddy Branch carry?

About 24,785 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Muddy Branch Road over Muddy Branch?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Muddy Branch Road over Muddy Branch?

It is owned by the County Highway Agency.