US Bridges

T-383 Cassel RD over Pa Tpk (I-476)

Good

Lehigh County, Pennsylvania · 1 MI N of Bucks Co. Line · Structure no. 000000000023535

Built
1955
70 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-383 Cassel RD over Pa Tpk (I-476) is a prestressed concrete tee beam carrying T-383 Cassel RD over Pa Tpk (I-476) in Lehigh 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 3% of them trucks, projected to reach 315 by 2030. The structure is 178 ft (54.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT-383 Cassel RD
CrossesPa Tpk (I-476)
Location1 MI N of Bucks Co. Line
RouteCity Street 0
CountyLehigh County
StatePennsylvania
Coordinates40.46305, -75.44671
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating58 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span88 ft (26.8 m)
Deck width36 ft (10.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-383 Cassel RD over Pa Tpk (I-476) built?

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

What condition is T-383 Cassel RD over Pa Tpk (I-476) 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 March 2023.

How much traffic does T-383 Cassel RD over Pa Tpk (I-476) carry?

About 200 vehicles per day (1992 count), of which roughly 3% are trucks.

How long is T-383 Cassel RD over Pa Tpk (I-476)?

The structure is 178 ft (54.3 m) long with a longest span of 88 ft (26.8 m) and a deck 36 ft wide.

Who owns T-383 Cassel RD over Pa Tpk (I-476)?

It is owned by the State Toll Authority.