US Bridges

Security Road over Hamilton Run

FairPosted for load

Washington County, Maryland · At Int of Brookline Ave · Structure no. 200000W-H-41010

Built
1957
68 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
2,518
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Security Road over Hamilton Run is a concrete slab carrying Security Road over Hamilton Run in Washington County, Maryland. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 2,518 vehicles a day, roughly 5% of them trucks, projected to reach 3,470 by 2037. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSecurity Road
CrossesHamilton Run
LocationAt Int of Brookline Ave
RouteCity Street 2210
CountyWashington County
StateMaryland
Coordinates39.64529, -77.70341
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,518 (2015)
Projected traffic3,470 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Security Road over Hamilton Run built?

It was built in 1957, making it 68 years old in 2025.

What condition is Security Road over Hamilton Run 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 January 2024.

How much traffic does Security Road over Hamilton Run carry?

About 2,518 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Security Road over Hamilton Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns Security Road over Hamilton Run?

It is owned by the City or Municipal Highway Agency.