US Bridges

SR 0366 over SR 0400 Traf. Route 380

Fair

Westmoreland County, Pennsylvania · Municipal. of Murrysville · Structure no. 000000000036203

Built
1972
53 years old, rebuilt 1995
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
5,888
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0366 over SR 0400 Traf. Route 380 is a prestressed concrete stringer/multi-beam or girder carrying SR 0366 over SR 0400 Traf. Route 380 in Westmoreland County, Pennsylvania. It was built in 1972 and reconstructed in 1995, 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 5 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 5,888 vehicles a day, roughly 30% of them trucks, projected to reach 2,952 by 2032. The structure is 172 ft (52.4 m) long and 92 ft wide.

Location

Open in Google Maps
CarriesSR 0366
CrossesSR 0400 Traf. Route 380
LocationMunicipal. of Murrysville
RouteState Highway 366
CountyWestmoreland County
StatePennsylvania
Coordinates40.50251, -79.67836
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span100 ft (30.5 m)
Deck width92 ft (28 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,888 (2023)
Projected traffic2,952 by 2032
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0366 over SR 0400 Traf. Route 380 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1995.

What condition is SR 0366 over SR 0400 Traf. Route 380 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 June 2023.

How much traffic does SR 0366 over SR 0400 Traf. Route 380 carry?

About 5,888 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is SR 0366 over SR 0400 Traf. Route 380?

The structure is 172 ft (52.4 m) long with a longest span of 100 ft (30.5 m) and a deck 92 ft wide.

Who owns SR 0366 over SR 0400 Traf. Route 380?

It is owned by the State Highway Agency.