US Bridges

T-410 Redwood Ave. over Bennett Br Sinnemahoning

Fair

Elk County, Pennsylvania · 850 Ft East of PA555 · Structure no. 000000000015746

Built
1920
105 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
2 main spans
Daily traffic
300
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-410 Redwood Ave. over Bennett Br Sinnemahoning is a steel stringer/multi-beam or girder carrying T-410 Redwood Ave. over Bennett Br Sinnemahoning in Elk County, Pennsylvania. It was built in 1920 and reconstructed in 2009, so it is 105 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 300 vehicles a day, projected to reach 420 by 2041. The structure is 80 ft (24.4 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-410 Redwood Ave.
CrossesBennett Br Sinnemahoning
Location850 Ft East of PA555
RouteCity Street 0
Coordinates41.27295, -78.49119
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans2
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span38 ft (11.6 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic420 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$480,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-410 Redwood Ave. over Bennett Br Sinnemahoning built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2009.

What condition is T-410 Redwood Ave. over Bennett Br Sinnemahoning 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 September 2023.

How much traffic does T-410 Redwood Ave. over Bennett Br Sinnemahoning carry?

About 300 vehicles per day (2021 count).

How long is T-410 Redwood Ave. over Bennett Br Sinnemahoning?

The structure is 80 ft (24.4 m) long with a longest span of 38 ft (11.6 m) and a deck 17 ft wide.

Who owns T-410 Redwood Ave. over Bennett Br Sinnemahoning?

It is owned by the Town or Township Highway Agency.