US Bridges

T340 Jacobs Road over Great Trough Creek

Poor

Huntingdon County, Pennsylvania · 4 Mi.Nw.Of Saltillo · Structure no. 000000000018942

Built
1992
33 years old
Condition
Poor
inspected May 2024
Type
Slab
Wood or Timber
Length
47 ft
1 main span
Daily traffic
5
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T340 Jacobs Road over Great Trough Creek is a wood or timber slab carrying T340 Jacobs Road over Great Trough Creek in Huntingdon County, Pennsylvania. It was built in 1992, so it is 33 years old, younger 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.

It carries about 5 vehicles a day, roughly 1% of them trucks, projected to reach 6 by 2044. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT340 Jacobs Road
CrossesGreat Trough Creek
Location4 Mi.Nw.Of Saltillo
RouteCity Street 0
Coordinates40.25699, -78.03978
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$765,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T340 Jacobs Road over Great Trough Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is T340 Jacobs Road 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 May 2024.

How much traffic does T340 Jacobs Road over Great Trough Creek carry?

About 5 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T340 Jacobs Road over Great Trough Creek?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.

Who owns T340 Jacobs Road over Great Trough Creek?

It is owned by the Town or Township Highway Agency.