US Bridges

T378 West Loop RD over Old Town Run

Fair

Blair County, Pennsylvania · 4 Mi.Se.Of Hollidaysburg · Structure no. 000000000005912

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
552
2023 count
Owner
County
County Highway Agency

About this bridge

T378 West Loop RD over Old Town Run is a prestressed concrete box beam or girders - multiple carrying T378 West Loop RD over Old Town Run in Blair County, Pennsylvania. It was built in 2001, so it is 24 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 552 vehicles a day, roughly 1% of them trucks, projected to reach 690 by 2043. The structure is 42 ft (12.8 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesT378 West Loop RD
CrossesOld Town Run
Location4 Mi.Se.Of Hollidaysburg
RouteCity Street 0
CountyBlair County
StatePennsylvania
Coordinates40.39117, -78.33408
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic552 (2023)
Projected traffic690 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$594,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T378 West Loop RD over Old Town Run built?

It was built in 2001, making it 24 years old in 2025.

What condition is T378 West Loop RD over Old Town 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 September 2023.

How much traffic does T378 West Loop RD over Old Town Run carry?

About 552 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T378 West Loop RD over Old Town Run?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns T378 West Loop RD over Old Town Run?

It is owned by the County Highway Agency.