US Bridges

Pa Tpk (I-476) over Indian Creek

Good

Montgomery County, Pennsylvania · West of Telford · Structure no. 000000000028268

Built
1955
70 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
50,307
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over Indian Creek is a concrete culvert carrying Pa Tpk (I-476) over Indian Creek in Montgomery County, Pennsylvania. It was built in 1955, so it is 70 years old, older 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 50,307 vehicles a day, roughly 15% of them trucks, projected to reach 69,845 by 2030. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPa Tpk (I-476)
CrossesIndian Creek
LocationWest of Telford
RouteInterstate 476
CountyMontgomery County
StatePennsylvania
Coordinates40.31088, -75.37377
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,307 (2004)
Projected traffic69,845 by 2030
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-476) over Indian Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Pa Tpk (I-476) over Indian 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 September 2023.

How much traffic does Pa Tpk (I-476) over Indian Creek carry?

About 50,307 vehicles per day (2004 count), of which roughly 15% are trucks.

How long is Pa Tpk (I-476) over Indian Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Pa Tpk (I-476) over Indian Creek?

It is owned by the State Toll Authority.