US Bridges

Md 256 over Rockhold Creek

Fair

Anne Arundel County, Maryland · 0.94 MI W of Md 258 · Structure no. 100000020127010

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
250 ft
1 main span
Daily traffic
3,344
2009 count
Owner
State
State Highway Agency

About this bridge

Md 256 over Rockhold Creek is a steel stringer/multi-beam or girder carrying Md 256 over Rockhold Creek in Anne Arundel County, Maryland. It was built in 1980, so it is 45 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 3,344 vehicles a day, roughly 8% of them trucks, projected to reach 4,516 by 2045. The structure is 250 ft (76.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

No coordinates are recorded for this structure.

CarriesMd 256
CrossesRockhold Creek
Location0.94 MI W of Md 258
RouteState Highway 256
CountyAnne Arundel County
StateMaryland
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span51 ft (15.5 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,344 (2009)
Projected traffic4,516 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Md 256 over Rockhold Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Md 256 over Rockhold Creek 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 October 2024.

How much traffic does Md 256 over Rockhold Creek carry?

About 3,344 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 256 over Rockhold Creek?

The structure is 250 ft (76.2 m) long with a longest span of 51 ft (15.5 m) and a deck 36 ft wide.

Who owns Md 256 over Rockhold Creek?

It is owned by the State Highway Agency.