US Bridges

Dairy Road over Little Falls

Good

Baltimore County, Maryland · 0.3 MI W of York RD · Structure no. 200000B-0034010

Built
1900
125 years old, rebuilt 2019
Condition
Good
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
54 ft
1 main span
Daily traffic
521
2023 count
Owner
County
County Highway Agency

About this bridge

Dairy Road over Little Falls is a steel girder and floorbeam system carrying Dairy Road over Little Falls in Baltimore County, Maryland. It was built in 1900 and reconstructed in 2019, so it is 125 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 521 vehicles a day, roughly 5% of them trucks, projected to reach 1,561 by 2043. The structure is 54 ft (16.5 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDairy Road
CrossesLittle Falls
Location0.3 MI W of York RD
RouteCounty Highway 71
CountyBaltimore County
StateMaryland
Coordinates39.64605, -76.66162
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic521 (2023)
Projected traffic1,561 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Dairy Road over Little Falls built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2019.

What condition is Dairy Road over Little Falls in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Dairy Road over Little Falls carry?

About 521 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Dairy Road over Little Falls?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 14 ft wide.

Who owns Dairy Road over Little Falls?

It is owned by the County Highway Agency.