US Bridges

Mcdade RD over US 40

Good

Washington County, Maryland · @ US 40 · Structure no. 100000210064010

Built
1960
65 years old, rebuilt 2004
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
4 main spans
Daily traffic
150
2001 count
Owner
State
State Highway Agency

About this bridge

Mcdade RD over US 40 is a steel stringer/multi-beam or girder carrying Mcdade RD over US 40 in Washington County, Maryland. It was built in 1960 and reconstructed in 2004, so it is 65 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2021. The structure is 225 ft (68.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMcdade RD
CrossesUS 40
Location@ US 40
RouteCounty Highway 120
Coordinates39.65344, -77.77008
Functional classUrban Collector

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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span78 ft (23.8 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2001)
Projected traffic200 by 2021
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$994,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcdade RD over US 40 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.

What condition is Mcdade RD over US 40 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 Mcdade RD over US 40 carry?

About 150 vehicles per day (2001 count), of which roughly 1% are trucks.

How long is Mcdade RD over US 40?

The structure is 225 ft (68.6 m) long with a longest span of 78 ft (23.8 m) and a deck 32 ft wide.

Who owns Mcdade RD over US 40?

It is owned by the State Highway Agency.