US Bridges

Md 175 over Pedestrian Walkway

Fair

Howard County, Maryland · 0.69 Mile South of US 29 · Structure no. 100000130090020

Built
1975
50 years old, rebuilt 1988
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
20 ft
Daily traffic
44,142
2013 count
Owner
State
State Highway Agency

About this bridge

Md 175 over Pedestrian Walkway is a concrete culvert carrying Md 175 over Pedestrian Walkway in Howard County, Maryland. It was built in 1975 and reconstructed in 1988, 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 44,142 vehicles a day, roughly 8% of them trucks, projected to reach 52,370 by 2026. The structure is 20 ft (6.1 m) long and 105 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMd 175
CrossesPedestrian Walkway
Location0.69 Mile South of US 29
RouteState Highway 175
CountyHoward County
StateMaryland
Coordinates39.21856, -76.83716
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width105 ft (32.1 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,142 (2013)
Projected traffic52,370 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 175 over Pedestrian Walkway built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1988.

What condition is Md 175 over Pedestrian Walkway 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 175 over Pedestrian Walkway carry?

About 44,142 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Md 175 over Pedestrian Walkway?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 105 ft wide.

Who owns Md 175 over Pedestrian Walkway?

It is owned by the State Highway Agency.