US Bridges

Pa 309 By-Pass over Church Road

Fair

Montgomery County, Pennsylvania · ENFIELD@RT73 31A09/3369H2 · Structure no. 000000000027369

Built
1958
67 years old, rebuilt 2006
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
3 main spans
Daily traffic
58,495
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 309 By-Pass over Church Road is a steel continuous stringer/multi-beam or girder carrying Pa 309 By-Pass over Church Road in Montgomery County, Pennsylvania. It was built in 1958 and reconstructed in 2006, so it is 67 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 58,495 vehicles a day, roughly 3% of them trucks, projected to reach 60,532 by 2032. The structure is 290 ft (88.4 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPa 309 By-Pass
CrossesChurch Road
LocationENFIELD@RT73 31A09/3369H2
RouteState Highway 309
CountyMontgomery County
StatePennsylvania
Coordinates40.11294, -75.20085
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span136 ft (41.5 m)
Deck width93 ft (28.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,495 (2023)
Projected traffic60,532 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$683,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 309 By-Pass over Church Road built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.

What condition is Pa 309 By-Pass over Church Road 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 February 2023.

How much traffic does Pa 309 By-Pass over Church Road carry?

About 58,495 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Pa 309 By-Pass over Church Road?

The structure is 290 ft (88.4 m) long with a longest span of 136 ft (41.5 m) and a deck 93 ft wide.

Who owns Pa 309 By-Pass over Church Road?

It is owned by the State Highway Agency.