US Bridges

Sawmill Lane over Pennypack Creek

Fair

Montgomery County, Pennsylvania · Near 463 3258-H2 · Structure no. 000000000041082

Built
1934
91 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,000
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sawmill Lane over Pennypack Creek is a concrete slab carrying Sawmill Lane over Pennypack Creek in Montgomery County, Pennsylvania. It was built in 1934, so it is 91 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,250 by 2038. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSawmill Lane
CrossesPennypack Creek
LocationNear 463 3258-H2
RouteCity Street 0
CountyMontgomery County
StatePennsylvania
Coordinates40.17884, -75.14133
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2022
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,250 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sawmill Lane over Pennypack Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Sawmill Lane over Pennypack 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 November 2022.

How much traffic does Sawmill Lane over Pennypack Creek carry?

About 1,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Sawmill Lane over Pennypack Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Sawmill Lane over Pennypack Creek?

It is owned by the Town or Township Highway Agency.