US Bridges

Md 43 over Bird River Road

Good

Baltimore County, Maryland · 0.939 Mile East of US 40 · Structure no. 100000030372010

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
13,012
2009 count
Owner
State
State Highway Agency

About this bridge

Md 43 over Bird River Road is a prestressed concrete stringer/multi-beam or girder carrying Md 43 over Bird River Road in Baltimore County, Maryland. It was built in 2005, so it is 20 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 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 13,012 vehicles a day, roughly 10% of them trucks, projected to reach 18,679 by 2026. The structure is 126 ft (38.4 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 43
CrossesBird River Road
Location0.939 Mile East of US 40
RouteState Highway 43
Coordinates39.36303, -76.4244
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span120 ft (36.6 m)
Deck width89 ft (27.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,012 (2009)
Projected traffic18,679 by 2026
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 43 over Bird River Road built?

It was built in 2005, making it 20 years old in 2025.

What condition is Md 43 over Bird River Road 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 February 2024.

How much traffic does Md 43 over Bird River Road carry?

About 13,012 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Md 43 over Bird River Road?

The structure is 126 ft (38.4 m) long with a longest span of 120 ft (36.6 m) and a deck 89 ft wide.

Who owns Md 43 over Bird River Road?

It is owned by the State Highway Agency.