US Bridges

T377 Newburg Prk R over Great Trough Creek

PoorPosted for load

Huntingdon County, Pennsylvania · 3/4 Mi.E.Of Newburg · Structure no. 000000000018946

Built
1917
108 years old, rebuilt 1978
Condition
Poor
inspected April 2023
Type
Arch - Deck
Concrete
Length
98 ft
2 main spans
Daily traffic
24
2023 count
Owner
County
County Highway Agency

About this bridge

T377 Newburg Prk R over Great Trough Creek is a concrete arch - deck carrying T377 Newburg Prk R over Great Trough Creek in Huntingdon County, Pennsylvania. It was built in 1917 and reconstructed in 1978, so it is 108 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 31 by 2043. The structure is 98 ft (29.9 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT377 Newburg Prk R
CrossesGreat Trough Creek
Location3/4 Mi.E.Of Newburg
RouteCity Street 0
Coordinates40.28634, -78.1211
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span46 ft (14 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2023)
Projected traffic31 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T377 Newburg Prk R over Great Trough Creek built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1978.

What condition is T377 Newburg Prk R over Great Trough Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does T377 Newburg Prk R over Great Trough Creek carry?

About 24 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T377 Newburg Prk R over Great Trough Creek?

The structure is 98 ft (29.9 m) long with a longest span of 46 ft (14 m) and a deck 17 ft wide.

Who owns T377 Newburg Prk R over Great Trough Creek?

It is owned by the County Highway Agency.