US Bridges

Md 174 over Is 97

Good

Anne Arundel County, Maryland · 0.24 MI W of Md 779 · Structure no. 100000020063010

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
2 main spans
Daily traffic
8,580
2009 count
Owner
State
State Highway Agency

About this bridge

Md 174 over Is 97 is a steel continuous stringer/multi-beam or girder carrying Md 174 over Is 97 in Anne Arundel County, Maryland. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,580 vehicles a day, roughly 8% of them trucks, projected to reach 10,204 by 2026. The structure is 274 ft (83.5 m) long and 88 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 174
CrossesIs 97
Location0.24 MI W of Md 779
RouteState Highway 174
Coordinates39.14451, -76.64514
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length274 ft (83.5 m)
Longest span138 ft (42.1 m)
Deck width88 ft (26.9 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,580 (2009)
Projected traffic10,204 by 2026
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 174 over Is 97 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Md 174 over Is 97 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 December 2024.

How much traffic does Md 174 over Is 97 carry?

About 8,580 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 174 over Is 97?

The structure is 274 ft (83.5 m) long with a longest span of 138 ft (42.1 m) and a deck 88 ft wide.

Who owns Md 174 over Is 97?

It is owned by the State Highway Agency.