US Bridges

Md 704 over Cabin Branch

Fair

Prince George's County, Maryland · 0.90 MI E of Wash DC Line · Structure no. 100000160084020

Built
1942
83 years old, rebuilt 1970
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
134 ft
Daily traffic
18,430
2018 count
Owner
State
State Highway Agency

About this bridge

Md 704 over Cabin Branch is a concrete culvert carrying Md 704 over Cabin Branch in Prince George's County, Maryland. It was built in 1942 and reconstructed in 1970, so it is 83 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 18,430 vehicles a day, roughly 8% of them trucks, projected to reach 18,433 by 2038. The structure is 134 ft (40.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMd 704
CrossesCabin Branch
Location0.90 MI E of Wash DC Line
RouteState Highway 704
CountyPrince George's County
StateMaryland
Coordinates38.90323, -76.89941
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,430 (2018)
Projected traffic18,433 by 2038
Trucks8%
Lanes on structure4
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 704 over Cabin Branch built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1970.

What condition is Md 704 over Cabin 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 February 2025.

How much traffic does Md 704 over Cabin Branch carry?

About 18,430 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Md 704 over Cabin Branch?

The structure is 134 ft (40.8 m) long with a longest span of 10 ft (3 m).

Who owns Md 704 over Cabin Branch?

It is owned by the State Highway Agency.