US Bridges

SR 1020 over Saxman Run

Fair

Westmoreland County, Pennsylvania · Derry Township · Structure no. 000000000036398

Built
1960
65 years old, rebuilt 1970
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
4,166
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1020 over Saxman Run is a concrete slab carrying SR 1020 over Saxman Run in Westmoreland County, Pennsylvania. It was built in 1960 and reconstructed in 1970, so it is 65 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 4,166 vehicles a day, roughly 4% of them trucks, projected to reach 4,480 by 2032. The structure is 31 ft (9.4 m) long and 85 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 1020
CrossesSaxman Run
LocationDerry Township
RouteState Highway 0
Coordinates40.3192, -79.34549
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width85 ft (25.8 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,166 (2024)
Projected traffic4,480 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$638,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1020 over Saxman Run built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1970.

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 4,166 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 1020 over Saxman Run?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 85 ft wide.

Who owns SR 1020 over Saxman Run?

It is owned by the State Highway Agency.