US Bridges

Crofton Parkway over Tributary to Little Patu

Fair

Anne Arundel County, Maryland · 1 MI East of Route 3 N · Structure no. 200000AA5018030

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
26 ft
Daily traffic
1,705
2021 count
Owner
County
County Highway Agency

About this bridge

Crofton Parkway over Tributary to Little Patu is a steel culvert carrying Crofton Parkway over Tributary to Little Patu in Anne Arundel County, Maryland. It was built in 1968, so it is 57 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 1,705 vehicles a day, projected to reach 1,803 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCrofton Parkway
CrossesTributary to Little Patu
Location1 MI East of Route 3 N
RouteCounty Highway 0
Coordinates39.0055, -76.68206
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
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 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 adequacy7: Better than present minimum 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 length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,705 (2021)
Projected traffic1,803 by 2041
Trucks—
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

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 Crofton Parkway over Tributary to Little Patu built?

It was built in 1968, making it 57 years old in 2025.

What condition is Crofton Parkway 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 Crofton Parkway over Tributary to Little Patu carry?

About 1,705 vehicles per day (2021 count).

How long is Crofton Parkway over Tributary to Little Patu?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns Crofton Parkway over Tributary to Little Patu?

It is owned by the County Highway Agency.