US Bridges

Md 32 Southbound over Terrapin Branch

Good

Howard County, Maryland · 0.82 Mi. South of Md 144 · Structure no. 100000130021012

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

About this bridge

Md 32 Southbound over Terrapin Branch is a prestressed concrete slab carrying Md 32 Southbound over Terrapin Branch 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 60 ft (18.3 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMd 32 Southbound
CrossesTerrapin Branch
Location0.82 Mi. South of Md 144
RouteState Highway 32
Coordinates39.29121, -76.95451
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.
Superstructure9 ExcellentNo 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 spans1
Design loadUnknown
Structure length60 ft (18.3 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 Terrapin Branch built?

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

What condition is Md 32 Southbound over Terrapin Branch 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 Terrapin Branch carry?

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

How long is Md 32 Southbound over Terrapin Branch?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns Md 32 Southbound over Terrapin Branch?

It is owned by the State Highway Agency.