US Bridges

Ritchie Marlboro R over Cabin Branch

Good

Prince George's County, Maryland · 2.91 Miles S of Is 495 · Structure no. 200000P-0593010

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
15,750
2020 count
Owner
County
County Highway Agency

About this bridge

Ritchie Marlboro R over Cabin Branch is a prestressed concrete box beam or girders - multiple carrying Ritchie Marlboro R over Cabin Branch in Prince George's County, Maryland. It was built in 2009, so it is 16 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 15,750 vehicles a day, roughly 10% of them trucks, projected to reach 23,410 by 2040. The structure is 70 ft (21.4 m) long and 64 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRitchie Marlboro R
CrossesCabin Branch
Location2.91 Miles S of Is 495
RouteCounty Highway 974
Coordinates38.84001, -76.80826
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating83.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span69 ft (21 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2020)
Projected traffic23,410 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ritchie Marlboro R over Cabin Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ritchie Marlboro R over Cabin Branch 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 March 2023.

How much traffic does Ritchie Marlboro R over Cabin Branch carry?

About 15,750 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Ritchie Marlboro R over Cabin Branch?

The structure is 70 ft (21.4 m) long with a longest span of 69 ft (21 m) and a deck 64 ft wide.

Who owns Ritchie Marlboro R over Cabin Branch?

It is owned by the County Highway Agency.