US Bridges

Md 32 Southbound over Middle Patuxent River

Good

Howard County, Maryland · 1.18 Mile South of MD144A · Structure no. 100000130022012

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
118 ft
2 main spans
Daily traffic
29,475
2015 count
Owner
State
State Highway Agency

About this bridge

Md 32 Southbound over Middle Patuxent River is a prestressed concrete slab carrying Md 32 Southbound over Middle Patuxent River in Howard County, Maryland. It was built in 2020, so it is 5 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29,475 vehicles a day, roughly 10% of them trucks, projected to reach 51,175 by 2040. The structure is 118 ft (35.9 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMd 32 Southbound
CrossesMiddle Patuxent River
Location1.18 Mile South of MD144A
RouteState Highway 32
Coordinates39.28807, -76.95833
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating102.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length118 ft (35.9 m)
Longest span55 ft (16.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,475 (2015)
Projected traffic51,175 by 2040
Trucks10%
Lanes on structure2
Traffic directionOne-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 32 Southbound over Middle Patuxent River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Md 32 Southbound over Middle Patuxent River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

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

About 29,475 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Md 32 Southbound over Middle Patuxent River?

The structure is 118 ft (35.9 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns Md 32 Southbound over Middle Patuxent River?

It is owned by the State Highway Agency.