US Bridges

Md 32 Wbr over Middle Patuxent River

Fair

Howard County, Maryland · 0.89 Mile North of US 29 · Structure no. 100000130114014

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
472 ft
3 main spans
Daily traffic
48,061
2021 count
Owner
State
State Highway Agency

About this bridge

Md 32 Wbr over Middle Patuxent River is a steel continuous stringer/multi-beam or girder carrying Md 32 Wbr over Middle Patuxent River in Howard County, Maryland. It was built in 1985, so it is 40 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 48,061 vehicles a day, roughly 8% of them trucks, projected to reach 58,644 by 2041. The structure is 472 ft (143.9 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMd 32 Wbr
CrossesMiddle Patuxent River
Location0.89 Mile North of US 29
RouteState Highway 32
Coordinates39.18366, -76.88939
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length472 ft (143.9 m)
Longest span180 ft (54.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,061 (2021)
Projected traffic58,644 by 2041
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 32 Wbr over Middle Patuxent River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Md 32 Wbr over Middle Patuxent River 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 September 2023.

How much traffic does Md 32 Wbr over Middle Patuxent River carry?

About 48,061 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Md 32 Wbr over Middle Patuxent River?

The structure is 472 ft (143.9 m) long with a longest span of 180 ft (54.9 m) and a deck 47 ft wide.

Who owns Md 32 Wbr over Middle Patuxent River?

It is owned by the State Highway Agency.