US Bridges

Md 43 over Branch of Whitemarsh Run

Fair

Baltimore County, Maryland · 1.61 Mile East of Is 695 · Structure no. 100000030345030

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
84 ft
3 main spans
Daily traffic
36,232
2009 count
Owner
State
State Highway Agency

About this bridge

Md 43 over Branch of Whitemarsh Run is a steel culvert carrying Md 43 over Branch of Whitemarsh Run in Baltimore County, Maryland. It was built in 1991, so it is 34 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 36,232 vehicles a day, roughly 8% of them trucks, projected to reach 37,267 by 2026. The structure is 84 ft (25.7 m) long and 154 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMd 43
CrossesBranch of Whitemarsh Run
Location1.61 Mile East of Is 695
RouteState Highway 43
CountyBaltimore County
StateMaryland
Coordinates39.37962, -76.49577
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length84 ft (25.7 m)
Longest span25 ft (7.6 m)
Deck width154 ft (46.9 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,232 (2009)
Projected traffic37,267 by 2026
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 43 over Branch of Whitemarsh Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is Md 43 over Branch of Whitemarsh 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 July 2024.

How much traffic does Md 43 over Branch of Whitemarsh Run carry?

About 36,232 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 43 over Branch of Whitemarsh Run?

The structure is 84 ft (25.7 m) long with a longest span of 25 ft (7.6 m) and a deck 154 ft wide.

Who owns Md 43 over Branch of Whitemarsh Run?

It is owned by the State Highway Agency.