US Bridges

Persimmon Tree RD over Is 495

Fair

Montgomery County, Maryland · 0.06 MI S of Md 996 · Structure no. 100000150105010

Built
1961
64 years old, rebuilt 1970
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
223 ft
4 main spans
Daily traffic
2,910
2009 count
Owner
State
State Highway Agency

About this bridge

Persimmon Tree RD over Is 495 is a steel stringer/multi-beam or girder carrying Persimmon Tree RD over Is 495 in Montgomery County, Maryland. It was built in 1961 and reconstructed in 1970, so it is 64 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 5 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 2,910 vehicles a day, roughly 8% of them trucks, projected to reach 4,480 by 2031. The structure is 223 ft (68 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPersimmon Tree RD
CrossesIs 495
Location0.06 MI S of Md 996
RouteCounty Highway 781
Coordinates38.98128, -77.17248
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length223 ft (68 m)
Longest span75 ft (22.9 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,910 (2009)
Projected traffic4,480 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$574,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Persimmon Tree RD over Is 495 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1970.

What condition is Persimmon Tree RD over Is 495 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 August 2024.

How much traffic does Persimmon Tree RD over Is 495 carry?

About 2,910 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Persimmon Tree RD over Is 495?

The structure is 223 ft (68 m) long with a longest span of 75 ft (22.9 m) and a deck 39 ft wide.

Who owns Persimmon Tree RD over Is 495?

It is owned by the State Highway Agency.