US Bridges

T421 Bankstown RD over Hares Valley Creek

PoorPosted for load

Huntingdon County, Pennsylvania · 0.5 Mi.W.Of Mapelton · Structure no. 000000000018949

Built
1935
90 years old, rebuilt 1994
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
33 ft
2 main spans
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T421 Bankstown RD over Hares Valley Creek is a steel continuous stringer/multi-beam or girder carrying T421 Bankstown RD over Hares Valley Creek in Huntingdon County, Pennsylvania. It was built in 1935 and reconstructed in 1994, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 55 by 2043. The structure is 33 ft (10.1 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT421 Bankstown RD
CrossesHares Valley Creek
Location0.5 Mi.W.Of Mapelton
RouteCity Street 0
Coordinates40.39664, -77.94907
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28 US tons
Inventory rating17 US tons

Structure

MaterialSteel Continuous
DeckOpen grating
Main spans2
Design loadH 10
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic55 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$646,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T421 Bankstown RD over Hares Valley Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1994.

What condition is T421 Bankstown RD over Hares Valley 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 April 2023.

How much traffic does T421 Bankstown RD over Hares Valley Creek carry?

About 50 vehicles per day (2023 count).

How long is T421 Bankstown RD over Hares Valley Creek?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns T421 Bankstown RD over Hares Valley Creek?

It is owned by the Town or Township Highway Agency.