US Bridges

Pa 171 over Canawacta Creek

Poor

Susquehanna County, Pennsylvania · Lanesboro Bo 193S SR1009 · Structure no. 000000000032280

Built
1925
100 years old
Condition
Poor
inspected March 2023
Type
Culvert
Masonry
Length
24 ft
1 main span
Daily traffic
2,079
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 171 over Canawacta Creek is a masonry culvert carrying Pa 171 over Canawacta Creek in Susquehanna County, Pennsylvania. It was built in 1925, so it is 100 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,079 vehicles a day, roughly 8% of them trucks, projected to reach 4,017 by 2032. The structure is 24 ft (7.3 m) long and 38 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesPa 171
CrossesCanawacta Creek
LocationLanesboro Bo 193S SR1009
RouteState Highway 171
CountySusquehanna County
StatePennsylvania
Coordinates41.95399, -75.58598
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,079 (2024)
Projected traffic4,017 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$295,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 171 over Canawacta Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Pa 171 over Canawacta Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Pa 171 over Canawacta Creek carry?

About 2,079 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pa 171 over Canawacta Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 38 ft wide.

Who owns Pa 171 over Canawacta Creek?

It is owned by the State Highway Agency.