US Bridges

Howard Chapel Road over Patuxent River

Good

Montgomery County, Maryland · 1.7 Miles North of Md 650 · Structure no. 200000M-0124010

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
609
2024 count
Owner
County
County Highway Agency

About this bridge

Howard Chapel Road over Patuxent River is a steel stringer/multi-beam or girder carrying Howard Chapel Road over Patuxent River in Montgomery County, Maryland. It was built in 2002, so it is 23 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 609 vehicles a day, roughly 3% of them trucks, projected to reach 822 by 2044. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHoward Chapel Road
CrossesPatuxent River
Location1.7 Miles North of Md 650
RouteCounty Highway 55
Coordinates39.24972, -77.06601
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2024)
Projected traffic822 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$22,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Howard Chapel Road over Patuxent River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Howard Chapel Road over Patuxent River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Howard Chapel Road over Patuxent River carry?

About 609 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Howard Chapel Road over Patuxent River?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Howard Chapel Road over Patuxent River?

It is owned by the County Highway Agency.