US Bridges

T-453; Diehl Rd. over Pa Tpk (I-76)

Fair

Bedford County, Pennsylvania · Near SR30 & SR31 · Structure no. 000000000004417

Built
1939
86 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
87 ft
1 main span
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-453; Diehl Rd. over Pa Tpk (I-76) is a concrete frame carrying T-453; Diehl Rd. over Pa Tpk (I-76) in Bedford County, Pennsylvania. It was built in 1939, so it is 86 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 9% of them trucks, projected to reach 315 by 2030. The structure is 87 ft (26.5 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesT-453; Diehl Rd.
CrossesPa Tpk (I-76)
LocationNear SR30 & SR31
RouteCity Street 0
CountyBedford County
StatePennsylvania
Coordinates40.02892, -78.57608
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span78 ft (23.8 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$206,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-453; Diehl Rd. over Pa Tpk (I-76) built?

It was built in 1939, making it 86 years old in 2025.

What condition is T-453; Diehl Rd. over Pa Tpk (I-76) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does T-453; Diehl Rd. over Pa Tpk (I-76) carry?

About 200 vehicles per day (1992 count), of which roughly 9% are trucks.

How long is T-453; Diehl Rd. over Pa Tpk (I-76)?

The structure is 87 ft (26.5 m) long with a longest span of 78 ft (23.8 m) and a deck 23 ft wide.

Who owns T-453; Diehl Rd. over Pa Tpk (I-76)?

It is owned by the State Toll Authority.