US Bridges

SR 1020 over Saxman Run

Fair

Westmoreland County, Pennsylvania · Derry Township · Structure no. 000000000036396

Built
1961
64 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
5,559
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1020 over Saxman Run is a prestressed concrete box beam or girders - multiple carrying SR 1020 over Saxman Run in Westmoreland County, Pennsylvania. It was built in 1961, so it is 64 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 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 5,559 vehicles a day, roughly 8% of them trucks, projected to reach 9,345 by 2032. The structure is 40 ft (12.2 m) long and 70 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 1020
CrossesSaxman Run
LocationDerry Township
RouteState Highway 0
Coordinates40.32271, -79.36141
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width70 ft (21.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,559 (2024)
Projected traffic9,345 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 rehabilitation with only incidental widening
Estimated improvement cost$351,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1020 over Saxman Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 1020 over Saxman Run 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 2023.

How much traffic does SR 1020 over Saxman Run carry?

About 5,559 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 1020 over Saxman Run?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 70 ft wide.

Who owns SR 1020 over Saxman Run?

It is owned by the State Highway Agency.