US Bridges

SR4006 over South Branch Plum Creek

Fair

Indiana County, Pennsylvania · Davis NO.1 · Structure no. 000000000019379

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
401
2024 count
Owner
State
State Highway Agency

About this bridge

SR4006 over South Branch Plum Creek is a prestressed concrete box beam or girders - multiple carrying SR4006 over South Branch Plum Creek in Indiana County, Pennsylvania. It was built in 1965, so it is 60 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 401 vehicles a day, roughly 15% of them trucks, projected to reach 420 by 2032. The structure is 63 ft (19.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR4006
CrossesSouth Branch Plum Creek
LocationDavis NO.1
RouteState Highway 0
Coordinates40.74246, -79.16205
Functional classRural Minor 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.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating12 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic401 (2024)
Projected traffic420 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$178,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR4006 over South Branch Plum Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR4006 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 2024.

How much traffic does SR4006 over South Branch Plum Creek carry?

About 401 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR4006 over South Branch Plum Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns SR4006 over South Branch Plum Creek?

It is owned by the State Highway Agency.