US Bridges

US 22 Wbl over T-406 Mill Road

Fair

Blair County, Pennsylvania · 2 Mi.W.Of Altoona · Structure no. 000000000005524

Built
1982
43 years old, rebuilt 2010
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
9,902
2024 count
Owner
State
State Highway Agency

About this bridge

US 22 Wbl over T-406 Mill Road is a prestressed concrete stringer/multi-beam or girder carrying US 22 Wbl over T-406 Mill Road in Blair County, Pennsylvania. It was built in 1982 and reconstructed in 2010, so it is 43 years old, younger 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 6 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 9,902 vehicles a day, roughly 18% of them trucks, projected to reach 10,247 by 2032. The structure is 117 ft (35.7 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 22 Wbl
CrossesT-406 Mill Road
Location2 Mi.W.Of Altoona
RouteU.S. Route 22
Coordinates40.44766, -78.45176
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span112 ft (34.1 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,902 (2024)
Projected traffic10,247 by 2032
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 22 Wbl over T-406 Mill Road built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2010.

What condition is US 22 Wbl over T-406 Mill Road 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 July 2024.

How much traffic does US 22 Wbl over T-406 Mill Road carry?

About 9,902 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is US 22 Wbl over T-406 Mill Road?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34.1 m) and a deck 46 ft wide.

Who owns US 22 Wbl over T-406 Mill Road?

It is owned by the State Highway Agency.