US Bridges

Md 32 Ramp 10 over US 1

Fair

Howard County, Maryland · 1.50 Miles N of Aa CO · Structure no. 100000130110010

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
9,852
2006 count
Owner
State
State Highway Agency

About this bridge

Md 32 Ramp 10 over US 1 is a steel continuous girder and floorbeam system carrying Md 32 Ramp 10 over US 1 in Howard County, Maryland. It was built in 1983, so it is 42 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 9,852 vehicles a day, roughly 8% of them trucks, projected to reach 11,359 by 2026. The structure is 222 ft (67.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 32 Ramp 10
CrossesUS 1
Location1.50 Miles N of Aa CO
RouteState Highway 32
Coordinates39.13859, -76.81279
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.4 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span111 ft (33.8 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,852 (2006)
Projected traffic11,359 by 2026
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 Ramp 10 over US 1 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Md 32 Ramp 10 over US 1 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 October 2024.

How much traffic does Md 32 Ramp 10 over US 1 carry?

About 9,852 vehicles per day (2006 count), of which roughly 8% are trucks.

How long is Md 32 Ramp 10 over US 1?

The structure is 222 ft (67.7 m) long with a longest span of 111 ft (33.8 m) and a deck 46 ft wide.

Who owns Md 32 Ramp 10 over US 1?

It is owned by the State Highway Agency.