US Bridges

Morris Road over Wissahickon Creek

Fair

Montgomery County, Pennsylvania · Fort Washing 3257F8 · Structure no. 000000000027588

Built
1841
184 years old, rebuilt 1996
Condition
Fair
inspected April 2023
Type
Arch - Deck
Masonry
Length
94 ft
3 main spans
Daily traffic
6,457
2024 count
Owner
State
State Highway Agency

About this bridge

Morris Road over Wissahickon Creek is a masonry arch - deck carrying Morris Road over Wissahickon Creek in Montgomery County, Pennsylvania. It was built in 1841 and reconstructed in 1996, so it is 184 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 6,457 vehicles a day, roughly 3% of them trucks, projected to reach 11,755 by 2032. The structure is 94 ft (28.7 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMorris Road
CrossesWissahickon Creek
LocationFort Washing 3257F8
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.13939, -75.21679
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating34 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans3
Design loadH 15
Structure length94 ft (28.7 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,457 (2024)
Projected traffic11,755 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Morris Road over Wissahickon Creek built?

It was built in 1841, making it 184 years old in 2025. It was reconstructed in 1996.

What condition is Morris Road over Wissahickon Creek 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 April 2023.

How much traffic does Morris Road over Wissahickon Creek carry?

About 6,457 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Morris Road over Wissahickon Creek?

The structure is 94 ft (28.7 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Morris Road over Wissahickon Creek?

It is owned by the State Highway Agency.