US Bridges

Smith Road over Swamp Creek

Good

Montgomery County, Pennsylvania · 1.9 MI E PA-100 2915-E9 · Structure no. 000000000047080

Built
2011
14 years old
Condition
Good
inspected April 2024
Type
Frame
Concrete
Length
62 ft
2 main spans
Daily traffic
400
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Smith Road over Swamp Creek is a concrete frame carrying Smith Road over Swamp Creek in Montgomery County, Pennsylvania. It was built in 2011, so it is 14 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 501 by 2032. The structure is 62 ft (18.9 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSmith Road
CrossesSwamp Creek
Location1.9 MI E PA-100 2915-E9
Coordinates40.31956, -75.5976
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating44 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length62 ft (18.9 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2010)
Projected traffic501 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Road over Swamp Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Smith Road over Swamp Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Smith Road over Swamp Creek carry?

About 400 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Smith Road over Swamp Creek?

The structure is 62 ft (18.9 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns Smith Road over Swamp Creek?

It is owned by the Town or Township Highway Agency.