US Bridges

Md 436 over Weems Creek

Fair

Anne Arundel County, Maryland · 0.35 Mile South of Is 595 · Structure no. 100000020081010

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Movable - Swing
Steel
Length
365 ft
2 main spans
Daily traffic
5,181
2021 count
Owner
State
State Highway Agency

About this bridge

Md 436 over Weems Creek is a steel movable - swing carrying Md 436 over Weems Creek in Anne Arundel County, Maryland. It was built in 1997, so it is 28 years old, younger 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 5,181 vehicles a day, roughly 2% of them trucks, projected to reach 5,300 by 2040. The structure is 365 ft (111.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 436
CrossesWeems Creek
Location0.35 Mile South of Is 595
RouteState Highway 436
Coordinates38.99306, -76.5086
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 25 or greater
Structure length365 ft (111.3 m)
Longest span87 ft (26.5 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,181 (2021)
Projected traffic5,300 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Md 436 over Weems Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Md 436 over Weems Creek 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 March 2023.

How much traffic does Md 436 over Weems Creek carry?

About 5,181 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Md 436 over Weems Creek?

The structure is 365 ft (111.3 m) long with a longest span of 87 ft (26.5 m) and a deck 38 ft wide.

Who owns Md 436 over Weems Creek?

It is owned by the State Highway Agency.