US Bridges

Commo Road over Piscataway Creek

Good

Prince George's County, Maryland · .74 MI E Frank Tippett RD · Structure no. 200000P-0580010

Built
1935
90 years old, rebuilt 2015
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
3,008
2024 count
Owner
County
County Highway Agency

About this bridge

Commo Road over Piscataway Creek is a steel stringer/multi-beam or girder carrying Commo Road over Piscataway Creek in Prince George's County, Maryland. It was built in 1935 and reconstructed in 2015, so it is 90 years old, older 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 3,008 vehicles a day, roughly 5% of them trucks, projected to reach 4,052 by 2044. The structure is 66 ft (20.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCommo Road
CrossesPiscataway Creek
Location.74 MI E Frank Tippett RD
RouteCounty Highway 4080
CountyPrince George's County
StateMaryland
Coordinates38.74616, -76.84654
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating91.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span61 ft (18.6 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,008 (2024)
Projected traffic4,052 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$796.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Commo Road over Piscataway Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2015.

What condition is Commo Road over Piscataway Creek 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 2024.

How much traffic does Commo Road over Piscataway Creek carry?

About 3,008 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Commo Road over Piscataway Creek?

The structure is 66 ft (20.1 m) long with a longest span of 61 ft (18.6 m) and a deck 25 ft wide.

Who owns Commo Road over Piscataway Creek?

It is owned by the County Highway Agency.