US Bridges

Sumneytown Pike over Unami Creek

Good

Montgomery County, Pennsylvania · 1.5MI. E. PA-29 2917H08 · Structure no. 000000000057370

Built
2019
6 years old
Condition
Good
inspected January 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
2 main spans
Daily traffic
11,325
2023 count
Owner
State
State Highway Agency

About this bridge

Sumneytown Pike over Unami Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sumneytown Pike over Unami Creek in Montgomery County, Pennsylvania. It was built in 2019, so it is 6 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 11,325 vehicles a day, roughly 8% of them trucks, projected to reach 14,208 by 2032. The structure is 148 ft (45.1 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSumneytown Pike
CrossesUnami Creek
Location1.5MI. E. PA-29 2917H08
RouteState Highway 63
CountyMontgomery County
StatePennsylvania
Coordinates40.32607, -75.44974
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length148 ft (45.1 m)
Longest span73 ft (22.3 m)
Deck width41 ft (12.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,325 (2023)
Projected traffic14,208 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sumneytown Pike over Unami Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Sumneytown Pike over Unami 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 January 2022.

How much traffic does Sumneytown Pike over Unami Creek carry?

About 11,325 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sumneytown Pike over Unami Creek?

The structure is 148 ft (45.1 m) long with a longest span of 73 ft (22.3 m) and a deck 41 ft wide.

Who owns Sumneytown Pike over Unami Creek?

It is owned by the State Highway Agency.