US Bridges

Lake Allen Road over Spillway to Wetlands

Fair

Anne Arundel County, Maryland · N Tract NW End Sold. Lake · Structure no. 000051640-00740

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
4 main spans
Daily traffic
40
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Lake Allen Road over Spillway to Wetlands is a concrete culvert carrying Lake Allen Road over Spillway to Wetlands in Anne Arundel County, Maryland. It was built in 1989, so it is 36 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 25 ft (7.6 m) long and 57 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLake Allen Road
CrossesSpillway to Wetlands
LocationN Tract NW End Sold. Lake
RouteFederal Lands Road 0
CountyAnne Arundel County
StateMaryland
Coordinates39.08533, -76.73483
Functional classRural Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span5 ft (1.5 m)
Deck width57 ft (17.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic40 (2023)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Lake Allen Road over Spillway to Wetlands built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lake Allen Road over Spillway to Wetlands 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 August 2023.

How much traffic does Lake Allen Road over Spillway to Wetlands carry?

About 40 vehicles per day (2023 count).

How long is Lake Allen Road over Spillway to Wetlands?

The structure is 25 ft (7.6 m) long with a longest span of 5 ft (1.5 m) and a deck 57 ft wide.

Who owns Lake Allen Road over Spillway to Wetlands?

It is owned by the Bureau of Fish and Wildlife.