US Bridges

Mcdowell Lane over Canonsburg Lake

Good

Washington County, Pennsylvania · 300 West of SR 19 · Structure no. 000000000068595

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
167 ft
2 main spans
Daily traffic
2,709
2020 count
Owner
County
County Highway Agency

About this bridge

Mcdowell Lane over Canonsburg Lake is a steel continuous stringer/multi-beam or girder carrying Mcdowell Lane over Canonsburg Lake in Washington County, Pennsylvania. It was built in 2021, so it is 4 years old, younger than the Pennsylvania average of 54.8 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 2,709 vehicles a day, roughly 5% of them trucks, projected to reach 3,090 by 2040. The structure is 167 ft (50.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMcdowell Lane
CrossesCanonsburg Lake
Location300 West of SR 19
RouteCity Street 0T717
CountyWashington County
StatePennsylvania
Coordinates40.26955, -80.1312
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length167 ft (50.9 m)
Longest span82 ft (25 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,709 (2020)
Projected traffic3,090 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcdowell Lane over Canonsburg Lake built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mcdowell Lane over Canonsburg Lake 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 2023.

How much traffic does Mcdowell Lane over Canonsburg Lake carry?

About 2,709 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Mcdowell Lane over Canonsburg Lake?

The structure is 167 ft (50.9 m) long with a longest span of 82 ft (25 m) and a deck 36 ft wide.

Who owns Mcdowell Lane over Canonsburg Lake?

It is owned by the County Highway Agency.