US Bridges

SR 1077 over Mon 0837 0906 2 R/R

Fair

Washington County, Pennsylvania · Donora-Monessen Bridge · Structure no. 000000000034863

Built
1972
53 years old, rebuilt 2009
Condition
Fair
inspected March 2024
Type
Truss - Deck
Steel Continuous
Length
2,141 ft
3 main spans
Daily traffic
11,024
2023 count
Owner
State
State Highway Agency

About this bridge

SR 1077 over Mon 0837 0906 2 R/R is a steel continuous truss - deck carrying SR 1077 over Mon 0837 0906 2 R/R in Washington County, Pennsylvania. It was built in 1972 and reconstructed in 2009, so it is 53 years old, younger 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 11,024 vehicles a day, roughly 5% of them trucks, projected to reach 8,089 by 2032. The structure is 2,141 ft (652.6 m) long and 82 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 1077
CrossesMon 0837 0906 2 R/R
LocationDonora-Monessen Bridge
RouteState Highway 0
CountyWashington County
StatePennsylvania
Coordinates40.16365, -79.86228
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating49.1 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadHL 93
Structure length2,141 ft (652.6 m)
Longest span608 ft (185.3 m)
Deck width82 ft (25 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,024 (2023)
Projected traffic8,089 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$21.7 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 1077 over Mon 0837 0906 2 R/R built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2009.

What condition is SR 1077 over Mon 0837 0906 2 R/R 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 March 2024.

How much traffic does SR 1077 over Mon 0837 0906 2 R/R carry?

About 11,024 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 1077 over Mon 0837 0906 2 R/R?

The structure is 2,141 ft (652.6 m) long with a longest span of 608 ft (185.3 m) and a deck 82 ft wide.

Who owns SR 1077 over Mon 0837 0906 2 R/R?

It is owned by the State Highway Agency.