US Bridges

Md 100R (wb&a Rd) over Md 100

Fair

Anne Arundel County, Maryland · 1.5 MI W of Is 97 · Structure no. 100000020191010

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
4,131
2006 count
Owner
State
State Highway Agency

About this bridge

Md 100R (wb&a Rd) over Md 100 is a steel continuous stringer/multi-beam or girder carrying Md 100R (wb&a Rd) over Md 100 in Anne Arundel County, Maryland. It was built in 1995, so it is 30 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 4,131 vehicles a day, roughly 5% of them trucks, projected to reach 4,763 by 2026. The structure is 240 ft (73.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

No coordinates are recorded for this structure.

CarriesMd 100R (wb&a Rd)
CrossesMd 100
Location1.5 MI W of Is 97
RouteState Highway 100R
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,131 (2006)
Projected traffic4,763 by 2026
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 100R (wb&a Rd) over Md 100 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 100R (wb&a Rd) over Md 100 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 August 2024.

How much traffic does Md 100R (wb&a Rd) over Md 100 carry?

About 4,131 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Md 100R (wb&a Rd) over Md 100?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns Md 100R (wb&a Rd) over Md 100?

It is owned by the State Highway Agency.