US Bridges

Cradlerock Way over Trail and Lake Elkhorn B

Fair

Howard County, Maryland · 0.4 MI E Brokenland Pkwy · Structure no. 200000HO0112010

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
11,356
2024 count
Owner
County
County Highway Agency

About this bridge

Cradlerock Way over Trail and Lake Elkhorn B is a steel stringer/multi-beam or girder carrying Cradlerock Way over Trail and Lake Elkhorn B in Howard County, Maryland. It was built in 1972, so it is 53 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 11,356 vehicles a day, roughly 4% of them trucks, projected to reach 13,860 by 2044. The structure is 56 ft (17.1 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCradlerock Way
CrossesTrail and Lake Elkhorn B
Location0.4 MI E Brokenland Pkwy
RouteCounty Highway 1160
CountyHoward County
StateMaryland
Coordinates39.18572, -76.84359
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span52 ft (15.9 m)
Deck width57 ft (17.3 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,356 (2024)
Projected traffic13,860 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cradlerock Way over Trail and Lake Elkhorn B built?

It was built in 1972, making it 53 years old in 2025.

What condition is Cradlerock Way over Trail and Lake Elkhorn B 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 Cradlerock Way over Trail and Lake Elkhorn B carry?

About 11,356 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Cradlerock Way over Trail and Lake Elkhorn B?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 57 ft wide.

Who owns Cradlerock Way over Trail and Lake Elkhorn B?

It is owned by the County Highway Agency.