US Bridges

On Tsr 405 over Fowler Brook

Poor

McKean County, Pennsylvania · 3 MI N Coryville · Structure no. 000000000025483

Built
1941
84 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
805
2023 count
Owner
State
State Highway Agency

About this bridge

On Tsr 405 over Fowler Brook is a concrete tee beam carrying On Tsr 405 over Fowler Brook in McKean County, Pennsylvania. It was built in 1941, so it is 84 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 805 vehicles a day, roughly 2% of them trucks, projected to reach 1,119 by 2043. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesOn Tsr 405
CrossesFowler Brook
Location3 MI N Coryville
RouteState Highway 0
Coordinates41.93418, -78.38746
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic805 (2023)
Projected traffic1,119 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 405 over Fowler Brook built?

It was built in 1941, making it 84 years old in 2025.

What condition is On Tsr 405 over Fowler Brook 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 August 2023.

How much traffic does On Tsr 405 over Fowler Brook carry?

About 805 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is On Tsr 405 over Fowler Brook?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns On Tsr 405 over Fowler Brook?

It is owned by the State Highway Agency.