US Bridges

Md 198 over Branch of Little Patuxen

Fair

Anne Arundel County, Maryland · 1.89 M E of Md 295 · Structure no. 100000020177010

Built
1940
85 years old
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Steel
Length
78 ft
1 main span
Daily traffic
25,492
6 count
Owner
State
State Highway Agency

About this bridge

Md 198 over Branch of Little Patuxen is a steel girder and floorbeam system carrying Md 198 over Branch of Little Patuxen in Anne Arundel County, Maryland. It was built in 1940, so it is 85 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 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 25,492 vehicles a day, projected to reach 29,392 by 26. The structure is 78 ft (23.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

No coordinates are recorded for this structure.

CarriesMd 198
CrossesBranch of Little Patuxen
Location1.89 M E of Md 295
RouteState Highway 198
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span75 ft (22.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,492 (6)
Projected traffic29,392 by 26
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 198 over Branch of Little Patuxen built?

It was built in 1940, making it 85 years old in 2025.

What condition is Md 198 over Branch of Little Patuxen 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 December 2023.

How much traffic does Md 198 over Branch of Little Patuxen carry?

About 25,492 vehicles per day (6 count).

How long is Md 198 over Branch of Little Patuxen?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.

Who owns Md 198 over Branch of Little Patuxen?

It is owned by the State Highway Agency.