US Bridges

T-734 Chestnut ST over Trout Run

PoorClosed to traffic

Indiana County, Pennsylvania · Btw T651 & SR0403 · Structure no. 000000000019480

Built
1977
48 years old
Condition
Poor
inspected October 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
—
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-734 Chestnut ST over Trout Run is a concrete slab carrying T-734 Chestnut ST over Trout Run in Indiana County, Pennsylvania. It was built in 1977, so it is 48 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 1 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: closed to all traffic.

No traffic count is recorded. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-734 Chestnut ST
CrossesTrout Run
LocationBtw T651 & SR0403
RouteCity Street 0
Coordinates40.42251, -78.99064
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
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.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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-734 Chestnut ST over Trout Run built?

It was built in 1977, making it 48 years old in 2025.

What condition is T-734 Chestnut ST over Trout Run 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 October 2023.

How much traffic does T-734 Chestnut ST over Trout Run carry?

No traffic count is recorded for this structure.

How long is T-734 Chestnut ST over Trout Run?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns T-734 Chestnut ST over Trout Run?

It is owned by the Town or Township Highway Agency.