US Bridges

Md 32 over Br of Terrapin Branch

Fair

Howard County, Maryland · 0.10 Mile South of Is 70 · Structure no. 100000130098030

Built
1958
67 years old, rebuilt 1974
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
31 ft
Daily traffic
22,492
2013 count
Owner
State
State Highway Agency

About this bridge

Md 32 over Br of Terrapin Branch is a steel culvert carrying Md 32 over Br of Terrapin Branch in Howard County, Maryland. It was built in 1958 and reconstructed in 1974, so it is 67 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 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 22,492 vehicles a day, roughly 8% of them trucks, projected to reach 34,535 by 2026. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMd 32
CrossesBr of Terrapin Branch
Location0.10 Mile South of Is 70
RouteState Highway 32
CountyHoward County
StateMaryland
Coordinates39.30752, -76.95254
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,492 (2013)
Projected traffic34,535 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 over Br of Terrapin Branch built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1974.

What condition is Md 32 over Br of Terrapin Branch 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 over Br of Terrapin Branch carry?

About 22,492 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Md 32 over Br of Terrapin Branch?

The structure is 31 ft (9.3 m) long with a longest span of 13 ft (4 m).

Who owns Md 32 over Br of Terrapin Branch?

It is owned by the State Highway Agency.