US Bridges

Dairy Road over Owl Branch

Good

Baltimore County, Maryland · 1MI S. of I-83 EXIT33 · Structure no. 200000B-0427010

Built
2011
14 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
727
2021 count
Owner
County
County Highway Agency

About this bridge

Dairy Road over Owl Branch is a concrete box beam or girders - multiple carrying Dairy Road over Owl Branch in Baltimore County, Maryland. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 727 vehicles a day, roughly 5% of them trucks, projected to reach 1,139 by 2042. The structure is 30 ft (9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDairy Road
CrossesOwl Branch
Location1MI S. of I-83 EXIT33
RouteCounty Highway 0
Coordinates39.64623, -76.66298
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic727 (2021)
Projected traffic1,139 by 2042
Trucks5%
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 Dairy Road over Owl Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Dairy Road over Owl Branch 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 Owl Branch carry?

About 727 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Dairy Road over Owl Branch?

The structure is 30 ft (9 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Dairy Road over Owl Branch?

It is owned by the County Highway Agency.