US Bridges

T-592 14th Avenue over Mill Run

Fair

Blair County, Pennsylvania · 2 Mi.W.Of Altoona · Structure no. 000000000005946

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
203
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-592 14th Avenue over Mill Run is a prestressed concrete box beam or girders - multiple carrying T-592 14th Avenue over Mill Run in Blair County, Pennsylvania. It was built in 1995, so it is 30 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 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 203 vehicles a day, roughly 10% of them trucks, projected to reach 260 by 2043. The structure is 29 ft (8.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesT-592 14th Avenue
CrossesMill Run
Location2 Mi.W.Of Altoona
RouteCity Street 0
CountyBlair County
StatePennsylvania
Coordinates40.50336, -78.4282
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating52 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2023)
Projected traffic260 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-592 14th Avenue over Mill Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is T-592 14th Avenue over Mill 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 April 2023.

How much traffic does T-592 14th Avenue over Mill Run carry?

About 203 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T-592 14th Avenue over Mill Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns T-592 14th Avenue over Mill Run?

It is owned by the Town or Township Highway Agency.