US Bridges

Md 410 over Northwest Branch

Fair

Prince George's County, Maryland · 0.68 Mile East of Md 212 · Structure no. 100000160068010

Built
1955
70 years old, rebuilt 1984
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
24,602
2009 count
Owner
State
State Highway Agency

About this bridge

Md 410 over Northwest Branch is a steel stringer/multi-beam or girder carrying Md 410 over Northwest Branch in Prince George's County, Maryland. It was built in 1955 and reconstructed in 1984, so it is 70 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 24,602 vehicles a day, roughly 8% of them trucks, projected to reach 30,418 by 2026. The structure is 134 ft (40.8 m) long and 100 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 410
CrossesNorthwest Branch
Location0.68 Mile East of Md 212
RouteState Highway 410
Coordinates38.96779, -76.96891
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span50 ft (15.2 m)
Deck width100 ft (30.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,602 (2009)
Projected traffic30,418 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 410 over Northwest Branch built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1984.

What condition is Md 410 over Northwest 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 June 2024.

How much traffic does Md 410 over Northwest Branch carry?

About 24,602 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 410 over Northwest Branch?

The structure is 134 ft (40.8 m) long with a longest span of 50 ft (15.2 m) and a deck 100 ft wide.

Who owns Md 410 over Northwest Branch?

It is owned by the State Highway Agency.