US Bridges

Kingsgate Drive over Tributary to Little Patu

Fair

Anne Arundel County, Maryland · 0.4 MI East of Route 424 · Structure no. 200000AA4023030

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
28 ft
Daily traffic
1,361
2018 count
Owner
County
County Highway Agency

About this bridge

Kingsgate Drive over Tributary to Little Patu is a steel culvert carrying Kingsgate Drive over Tributary to Little Patu in Anne Arundel County, Maryland. It was built in 1980, so it is 45 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 5 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 1,361 vehicles a day, projected to reach 1,700 by 2040. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesKingsgate Drive
CrossesTributary to Little Patu
Location0.4 MI East of Route 424
RouteCounty Highway 0
CountyAnne Arundel County
StateMaryland
Coordinates39.01084, -76.6747
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length28 ft (8.6 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 traffic1,361 (2018)
Projected traffic1,700 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Kingsgate Drive over Tributary to Little Patu built?

It was built in 1980, making it 45 years old in 2025.

What condition is Kingsgate Drive over Tributary to Little Patu 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 Kingsgate Drive over Tributary to Little Patu carry?

About 1,361 vehicles per day (2018 count).

How long is Kingsgate Drive over Tributary to Little Patu?

The structure is 28 ft (8.6 m) long with a longest span of 6 ft (1.8 m).

Who owns Kingsgate Drive over Tributary to Little Patu?

It is owned by the County Highway Agency.