US Bridges

SR 346-PA 346 over Bennett Brook

Fair

McKean County, Pennsylvania · Bradford · Structure no. 000000000025413

Built
1910
115 years old, rebuilt 1966
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
4,775
2024 count
Owner
State
State Highway Agency

About this bridge

SR 346-PA 346 over Bennett Brook is a steel stringer/multi-beam or girder carrying SR 346-PA 346 over Bennett Brook in McKean County, Pennsylvania. It was built in 1910 and reconstructed in 1966, so it is 115 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,775 vehicles a day, roughly 6% of them trucks, projected to reach 7,967 by 2044. The structure is 23 ft (7 m) long and 36 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesSR 346-PA 346
CrossesBennett Brook
LocationBradford
RouteState Highway 346
CountyMcKean County
StatePennsylvania
Coordinates41.95721, -78.66
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating53 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,775 (2024)
Projected traffic7,967 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed36 mi (58 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$372,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 346-PA 346 over Bennett Brook built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1966.

What condition is SR 346-PA 346 over Bennett Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does SR 346-PA 346 over Bennett Brook carry?

About 4,775 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 346-PA 346 over Bennett Brook?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 36 ft wide.

Who owns SR 346-PA 346 over Bennett Brook?

It is owned by the State Highway Agency.