US Bridges

TR401 Keen Lake Ro over Keen Lake Inlet

Poor

Wayne County, Pennsylvania · 1/4 MI from Route 6 · Structure no. 000000000057628

Built
1942
83 years old, rebuilt 1983
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR401 Keen Lake Ro over Keen Lake Inlet is a steel stringer/multi-beam or girder carrying TR401 Keen Lake Ro over Keen Lake Inlet in Wayne County, Pennsylvania. It was built in 1942 and reconstructed in 1983, so it is 83 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2042. The structure is 22 ft (6.7 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR401 Keen Lake Ro
CrossesKeen Lake Inlet
Location1/4 MI from Route 6
RouteCity Street 0
Coordinates41.59202, -75.37449
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic125 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR401 Keen Lake Ro over Keen Lake Inlet built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1983.

What condition is TR401 Keen Lake Ro over Keen Lake Inlet 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 September 2024.

How much traffic does TR401 Keen Lake Ro over Keen Lake Inlet carry?

About 75 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR401 Keen Lake Ro over Keen Lake Inlet?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 17 ft wide.

Who owns TR401 Keen Lake Ro over Keen Lake Inlet?

It is owned by the Town or Township Highway Agency.