US Bridges

Mckees Rocks Br over Munson Ave.

Fair

Allegheny County, Pennsylvania · Munson Ave. · Structure no. 000000000001872

Built
1931
94 years old, rebuilt 1987
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
58 ft
1 main span
Daily traffic
33,500
2024 count
Owner
State
State Highway Agency

About this bridge

Mckees Rocks Br over Munson Ave. is a concrete culvert carrying Mckees Rocks Br over Munson Ave. in Allegheny County, Pennsylvania. It was built in 1931 and reconstructed in 1987, so it is 94 years old, older than the Pennsylvania average of 54.8 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 33,500 vehicles a day, roughly 8% of them trucks, projected to reach 32,404 by 2032. The structure is 58 ft (17.7 m) long and 105 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMckees Rocks Br
CrossesMunson Ave.
LocationMunson Ave.
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.47486, -80.05951
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span50 ft (15.2 m)
Deck width105 ft (32 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,500 (2024)
Projected traffic32,404 by 2032
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mckees Rocks Br over Munson Ave. built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1987.

What condition is Mckees Rocks Br over Munson Ave. 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 December 2022.

How much traffic does Mckees Rocks Br over Munson Ave. carry?

About 33,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mckees Rocks Br over Munson Ave.?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 105 ft wide.

Who owns Mckees Rocks Br over Munson Ave.?

It is owned by the State Highway Agency.