US Bridges

Allentown Road over Indian Creek / 2919A10

Good

Montgomery County, Pennsylvania · Near RT46040 08F11 · Structure no. 000000000027526

Built
1989
36 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
8,343
2024 count
Owner
State
State Highway Agency

About this bridge

Allentown Road over Indian Creek / 2919A10 is a concrete culvert carrying Allentown Road over Indian Creek / 2919A10 in Montgomery County, Pennsylvania. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,343 vehicles a day, roughly 8% of them trucks, projected to reach 8,316 by 2032. The structure is 29 ft (8.8 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesAllentown Road
CrossesIndian Creek / 2919A10
LocationNear RT46040 08F11
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.31634, -75.37014
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating74 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,343 (2024)
Projected traffic8,316 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Allentown Road over Indian Creek / 2919A10 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Allentown Road over Indian Creek / 2919A10 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 July 2023.

How much traffic does Allentown Road over Indian Creek / 2919A10 carry?

About 8,343 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Allentown Road over Indian Creek / 2919A10?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 42 ft wide.

Who owns Allentown Road over Indian Creek / 2919A10?

It is owned by the State Highway Agency.