US Bridges

Purdum Road over Bennett Creek Tributary

Fair

Montgomery County, Maryland · 0.6 MI N of Mountain View · Structure no. 200000M-0005030

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
20 ft
Daily traffic
354
2022 count
Owner
County
County Highway Agency

About this bridge

Purdum Road over Bennett Creek Tributary is a steel culvert carrying Purdum Road over Bennett Creek Tributary in Montgomery County, Maryland. It was built in 1975, so it is 50 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 354 vehicles a day, roughly 3% of them trucks, projected to reach 425 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPurdum Road
CrossesBennett Creek Tributary
Location0.6 MI N of Mountain View
RouteCounty Highway 24
CountyMontgomery County
StateMaryland
Coordinates39.29181, -77.24411
Functional classRural 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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.3 US tons
Inventory rating37.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic354 (2022)
Projected traffic425 by 2042
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Purdum Road over Bennett Creek Tributary built?

It was built in 1975, making it 50 years old in 2025.

What condition is Purdum Road over Bennett Creek Tributary 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 May 2024.

How much traffic does Purdum Road over Bennett Creek Tributary carry?

About 354 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Purdum Road over Bennett Creek Tributary?

The structure is 20 ft (6.1 m) long with a longest span of 6 ft (1.8 m).

Who owns Purdum Road over Bennett Creek Tributary?

It is owned by the County Highway Agency.