US Bridges

SR 3010 over Blue Knob Run

Good

Blair County, Pennsylvania · Puzzeltown · Structure no. 000000000042751

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
501
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3010 over Blue Knob Run is a prestressed concrete box beam or girders - multiple carrying SR 3010 over Blue Knob Run in Blair County, Pennsylvania. It was built in 2005, so it is 20 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 501 vehicles a day, roughly 6% of them trucks, projected to reach 599 by 2032. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 3010
CrossesBlue Knob Run
LocationPuzzeltown
RouteState Highway 0
Coordinates40.37745, -78.48969
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic501 (2024)
Projected traffic599 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3010 over Blue Knob Run built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR 3010 over Blue Knob Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR 3010 over Blue Knob Run carry?

About 501 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 3010 over Blue Knob Run?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns SR 3010 over Blue Knob Run?

It is owned by the State Highway Agency.