US Bridges

SR0085 over South Branch Plum Creek

Fair

Indiana County, Pennsylvania · Ambrose Hollow · Structure no. 000000000018995

Built
1959
66 years old, rebuilt 2008
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
2,596
2023 count
Owner
State
State Highway Agency

About this bridge

SR0085 over South Branch Plum Creek is a prestressed concrete box beam or girders - multiple carrying SR0085 over South Branch Plum Creek in Indiana County, Pennsylvania. It was built in 1959 and reconstructed in 2008, so it is 66 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 2,596 vehicles a day, roughly 29% of them trucks, projected to reach 3,521 by 2032. The structure is 62 ft (18.9 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR0085
CrossesSouth Branch Plum Creek
LocationAmbrose Hollow
RouteState Highway 85
Coordinates40.75976, -79.13833
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span59 ft (18 m)
Deck width44 ft (13.4 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,596 (2023)
Projected traffic3,521 by 2032
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$489,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0085 over South Branch Plum Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is SR0085 over South Branch Plum Creek 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 February 2023.

How much traffic does SR0085 over South Branch Plum Creek carry?

About 2,596 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SR0085 over South Branch Plum Creek?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 44 ft wide.

Who owns SR0085 over South Branch Plum Creek?

It is owned by the State Highway Agency.