US Bridges

Md Route 198 (wbl) over Bw Parkway (nbl)

Fair

Anne Arundel County, Maryland · 3.4 Miles North of Md Rou · Structure no. 3530030P0000000

Built
1991
34 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
39,870
2022 count
Owner
Federal
National Park Service

About this bridge

Md Route 198 (wbl) over Bw Parkway (nbl) is a prestressed concrete box beam or girders - single or spread carrying Md Route 198 (wbl) over Bw Parkway (nbl) in Anne Arundel County, Maryland. It was built in 1991, so it is 34 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 39,870 vehicles a day, roughly 1% of them trucks, projected to reach 45,000 by 2042. The structure is 101 ft (30.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd Route 198 (wbl)
CrossesBw Parkway (nbl)
Location3.4 Miles North of Md Rou
RouteFederal Lands Road 1
Coordinates39.09661, -76.80122
Functional classUrban Other Principal Arterial

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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.7 m)
Longest span101 ft (30.7 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,870 (2022)
Projected traffic45,000 by 2042
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$318,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md Route 198 (wbl) over Bw Parkway (nbl) built?

It was built in 1991, making it 34 years old in 2025.

What condition is Md Route 198 (wbl) over Bw Parkway (nbl) 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 April 2024.

How much traffic does Md Route 198 (wbl) over Bw Parkway (nbl) carry?

About 39,870 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Md Route 198 (wbl) over Bw Parkway (nbl)?

The structure is 101 ft (30.7 m) long with a longest span of 101 ft (30.7 m) and a deck 63 ft wide.

Who owns Md Route 198 (wbl) over Bw Parkway (nbl)?

It is owned by the National Park Service.