US Bridges

Karthaus Mtn Road over Bennett Br.Sinnemahoning

Good

Cameron County, Pennsylvania · 0.5 Miles E of SR 555 Int · Structure no. 000000000040576

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
410 ft
4 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

Karthaus Mtn Road over Bennett Br.Sinnemahoning is a prestressed concrete stringer/multi-beam or girder carrying Karthaus Mtn Road over Bennett Br.Sinnemahoning in Cameron County, Pennsylvania. It was built in 1999, so it is 26 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2041. The structure is 410 ft (125 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesKarthaus Mtn Road
CrossesBennett Br.Sinnemahoning
Location0.5 Miles E of SR 555 Int
RouteCity Street 0
Coordinates41.33435, -78.13511
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length410 ft (125 m)
Longest span98 ft (29.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic350 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Karthaus Mtn Road over Bennett Br.Sinnemahoning built?

It was built in 1999, making it 26 years old in 2025.

What condition is Karthaus Mtn Road over Bennett Br.Sinnemahoning 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 July 2023.

How much traffic does Karthaus Mtn Road over Bennett Br.Sinnemahoning carry?

About 250 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Karthaus Mtn Road over Bennett Br.Sinnemahoning?

The structure is 410 ft (125 m) long with a longest span of 98 ft (29.9 m) and a deck 31 ft wide.

Who owns Karthaus Mtn Road over Bennett Br.Sinnemahoning?

It is owned by the County Highway Agency.