US Bridges

SR 1011 over Knapp Creek

Good

McKean County, Pennsylvania · 1 Mile West of Eldred · Structure no. 000000000042197

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
1,686
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1011 over Knapp Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 1011 over Knapp Creek in McKean County, Pennsylvania. It was built in 2003, so it is 22 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 1,686 vehicles a day, roughly 2% of them trucks, projected to reach 2,565 by 2043. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 1011
CrossesKnapp Creek
Location1 Mile West of Eldred
RouteState Highway 0
Coordinates41.9636, -78.40053
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 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 rating99 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length133 ft (40.5 m)
Longest span126 ft (38.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,686 (2024)
Projected traffic2,565 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1011 over Knapp Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR 1011 over Knapp Creek 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 August 2023.

How much traffic does SR 1011 over Knapp Creek carry?

About 1,686 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 1011 over Knapp Creek?

The structure is 133 ft (40.5 m) long with a longest span of 126 ft (38.4 m) and a deck 39 ft wide.

Who owns SR 1011 over Knapp Creek?

It is owned by the State Highway Agency.