US Bridges

Md 185 over Turkey Branch

Fair

Montgomery County, Maryland · 0.99 Mile South of Md 97 · Structure no. 100000150091020

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
42 ft
Daily traffic
36,532
2009 count
Owner
State
State Highway Agency

About this bridge

Md 185 over Turkey Branch is a concrete culvert carrying Md 185 over Turkey Branch in Montgomery County, Maryland. It was built in 1969, so it is 56 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 42 ft (12.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 185
CrossesTurkey Branch
Location0.99 Mile South of Md 97
RouteState Highway 185
Coordinates39.07096, -77.0764
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 185 over Turkey Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is Md 185 over Turkey 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 September 2024.

How much traffic does Md 185 over Turkey Branch carry?

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

How long is Md 185 over Turkey Branch?

The structure is 42 ft (12.8 m) long with a longest span of 11 ft (3.4 m).

Who owns Md 185 over Turkey Branch?

It is owned by the State Highway Agency.