US Bridges

T378 West Loop RD over Old Town Run

Good

Blair County, Pennsylvania · 4 Mi.Se.Of Hollidaysburg · Structure no. 000000000067925

Built
2022
3 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
595
2022 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 2022, so it is 3 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 595 vehicles a day, roughly 1% of them trucks, projected to reach 640 by 2042. The structure is 84 ft (25.6 m) long and 28 ft wide.

CarriesT378 West Loop RD
CrossesOld Town Run
Location4 Mi.Se.Of Hollidaysburg
RouteCity Street 0
Coordinates40.39708, -78.33542
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic595 (2022)
Projected traffic640 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2022, making it 3 years old in 2025.

What condition is T378 West Loop RD over Old Town Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

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

About 595 vehicles per day (2022 count), of which roughly 1% are trucks.

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

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.

Who owns T378 West Loop RD over Old Town Run?

It is owned by the County Highway Agency.