US Bridges

Blue Mount Road over Little Falls

Fair

Baltimore County, Maryland · 1.7 MI E of Monkton Road · Structure no. 200000B-0021010

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
854
2021 count
Owner
County
County Highway Agency

About this bridge

Blue Mount Road over Little Falls is a steel truss - thru carrying Blue Mount Road over Little Falls in Baltimore 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 854 vehicles a day, roughly 5% of them trucks, projected to reach 1,270 by 2041. The structure is 82 ft (25 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBlue Mount Road
CrossesLittle Falls
Location1.7 MI E of Monkton Road
RouteCounty Highway 140
CountyBaltimore County
StateMaryland
Coordinates39.60216, -76.62202
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic854 (2021)
Projected traffic1,270 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Blue Mount Road over Little Falls built?

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

What condition is Blue Mount Road over Little Falls 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 April 2023.

How much traffic does Blue Mount Road over Little Falls carry?

About 854 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Blue Mount Road over Little Falls?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 16 ft wide.

Who owns Blue Mount Road over Little Falls?

It is owned by the County Highway Agency.