US Bridges

Md 175 NB over CO Rtes 2035 & 2036

Fair

Howard County, Maryland · 0.5 Mile North of Md 108 · Structure no. 100000130092011

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
3 main spans
Daily traffic
30,855
2012 count
Owner
State
State Highway Agency

About this bridge

Md 175 NB over CO Rtes 2035 & 2036 is a steel stringer/multi-beam or girder carrying Md 175 NB over CO Rtes 2035 & 2036 in Howard County, Maryland. It was built in 1975, so it is 50 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 30,855 vehicles a day, roughly 8% of them trucks, projected to reach 40,112 by 2032. The structure is 137 ft (41.8 m) long and 62 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMd 175 NB
CrossesCO Rtes 2035 & 2036
Location0.5 Mile North of Md 108
RouteState Highway 175
CountyHoward County
StateMaryland
Coordinates39.18768, -76.80655
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span76 ft (23.2 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,855 (2012)
Projected traffic40,112 by 2032
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 175 NB over CO Rtes 2035 & 2036 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Md 175 NB over CO Rtes 2035 & 2036 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 May 2023.

How much traffic does Md 175 NB over CO Rtes 2035 & 2036 carry?

About 30,855 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Md 175 NB over CO Rtes 2035 & 2036?

The structure is 137 ft (41.8 m) long with a longest span of 76 ft (23.2 m) and a deck 62 ft wide.

Who owns Md 175 NB over CO Rtes 2035 & 2036?

It is owned by the State Highway Agency.