US Bridges

US 22; Allentown B over Deep Run

Fair

Lebanon County, Pennsylvania · 1 Mi.W. of T.R. 343 · Structure no. 000000000022604

Built
1939
86 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
9,195
2024 count
Owner
State
State Highway Agency

About this bridge

US 22; Allentown B over Deep Run is a concrete tee beam carrying US 22; Allentown B over Deep Run in Lebanon 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 9,195 vehicles a day, roughly 7% of them trucks, projected to reach 8,776 by 2032. The structure is 29 ft (8.8 m) long and 72 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 22; Allentown B
CrossesDeep Run
Location1 Mi.W. of T.R. 343
RouteU.S. Route 22
CountyLebanon County
StatePennsylvania
Coordinates40.43628, -76.43599
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width72 ft (21.8 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,195 (2024)
Projected traffic8,776 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$432,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 22; Allentown B over Deep Run built?

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

What condition is US 22; Allentown B over Deep Run 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 October 2023.

How much traffic does US 22; Allentown B over Deep Run carry?

About 9,195 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 22; Allentown B over Deep Run?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 72 ft wide.

Who owns US 22; Allentown B over Deep Run?

It is owned by the State Highway Agency.