US Bridges

Windward Passage over Unnamed Tributary to Sco

Fair

Anne Arundel County, Maryland · 0.6 MI West of Route 2 · Structure no. 200000AA4030030

Built
1981
44 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
23 ft
Daily traffic
130
2018 count
Owner
County
County Highway Agency

About this bridge

Windward Passage over Unnamed Tributary to Sco is a steel culvert carrying Windward Passage over Unnamed Tributary to Sco in Anne Arundel County, Maryland. It was built in 1981, so it is 44 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 130 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2040. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesWindward Passage
CrossesUnnamed Tributary to Sco
Location0.6 MI West of Route 2
RouteCounty Highway 0
CountyAnne Arundel County
StateMaryland
Coordinates38.92986, -76.5776
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2018)
Projected traffic200 by 2040
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Windward Passage over Unnamed Tributary to Sco built?

It was built in 1981, making it 44 years old in 2025.

What condition is Windward Passage over Unnamed Tributary to Sco 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 July 2023.

How much traffic does Windward Passage over Unnamed Tributary to Sco carry?

About 130 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Windward Passage over Unnamed Tributary to Sco?

The structure is 23 ft (6.9 m) long with a longest span of 6 ft (1.8 m).

Who owns Windward Passage over Unnamed Tributary to Sco?

It is owned by the County Highway Agency.