US Bridges

Md 100 Ebr over Md 174

Fair

Anne Arundel County, Maryland · 0.59 Mile North of Is 97 · Structure no. 100000020083013

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
4 main spans
Daily traffic
75,406
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 Ebr over Md 174 is a steel stringer/multi-beam or girder carrying Md 100 Ebr over Md 174 in Anne Arundel County, Maryland. It was built in 1963, so it is 62 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 5 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 75,406 vehicles a day, roughly 8% of them trucks, projected to reach 42,423 by 2026. The structure is 155 ft (47.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesMd 100 Ebr
CrossesMd 174
Location0.59 Mile North of Is 97
RouteState Highway 100
CountyAnne Arundel County
StateMaryland
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,406 (2009)
Projected traffic42,423 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

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$734,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 100 Ebr over Md 174 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Md 100 Ebr over Md 174 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 March 2024.

How much traffic does Md 100 Ebr over Md 174 carry?

About 75,406 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 100 Ebr over Md 174?

The structure is 155 ft (47.2 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Md 100 Ebr over Md 174?

It is owned by the State Highway Agency.