US Bridges

Md 43 over Trib to Windlass Run

Good

Baltimore County, Maryland · 0.9 M E of Bird River RD · Structure no. 100000030375030

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
16,200
2006 count
Owner
State
State Highway Agency

About this bridge

Md 43 over Trib to Windlass Run is a concrete culvert carrying Md 43 over Trib to Windlass Run 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 16,200 vehicles a day, roughly 10% of them trucks, projected to reach 18,679 by 2026. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 43
CrossesTrib to Windlass Run
Location0.9 M E of Bird River RD
RouteState Highway 43
Coordinates39.35752, -76.40826
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length31 ft (9.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,200 (2006)
Projected traffic18,679 by 2026
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Trib to Windlass Run built?

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

What condition is Md 43 over Trib to Windlass Run 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 September 2024.

How much traffic does Md 43 over Trib to Windlass Run carry?

About 16,200 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Md 43 over Trib to Windlass Run?

The structure is 31 ft (9.6 m) long with a longest span of 9 ft (2.7 m).

Who owns Md 43 over Trib to Windlass Run?

It is owned by the State Highway Agency.