US Bridges

Stenton Avenue over Wissahickon CR / 3369-D4

Fair

Montgomery County, Pennsylvania · W.Wissahickon Ave. 30G11 · Structure no. 000000000027690

Built
1914
111 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
61 ft
2 main spans
Daily traffic
7,909
2023 count
Owner
State
State Highway Agency

About this bridge

Stenton Avenue over Wissahickon CR / 3369-D4 is a masonry arch - deck carrying Stenton Avenue over Wissahickon CR / 3369-D4 in Montgomery County, Pennsylvania. It was built in 1914 and reconstructed in 2010, so it is 111 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 6 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 7,909 vehicles a day, roughly 2% of them trucks, projected to reach 12,002 by 2032. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesStenton Avenue
CrossesWissahickon CR / 3369-D4
LocationW.Wissahickon Ave. 30G11
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.10191, -75.23031
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,909 (2023)
Projected traffic12,002 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Stenton Avenue over Wissahickon CR / 3369-D4 built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 2010.

What condition is Stenton Avenue over Wissahickon CR / 3369-D4 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 March 2023.

How much traffic does Stenton Avenue over Wissahickon CR / 3369-D4 carry?

About 7,909 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Stenton Avenue over Wissahickon CR / 3369-D4?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Stenton Avenue over Wissahickon CR / 3369-D4?

It is owned by the State Highway Agency.