US Bridges

T-347 (co. Br. #7) over Chillisquaque Creek

FairPosted for load

Montour County, Pennsylvania · 1.5 MI SW Washingtonville · Structure no. 000000000028447

Built
1853
172 years old, rebuilt 1983
Condition
Fair
inspected May 2023
Type
Truss - Thru
Wood or Timber
Length
75 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

T-347 (co. Br. #7) over Chillisquaque Creek is a wood or timber truss - thru carrying T-347 (co. Br. #7) over Chillisquaque Creek in Montour County, Pennsylvania. It was built in 1853 and reconstructed in 1983, so it is 172 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 39 by 2044. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT-347 (co. Br. #7)
CrossesChillisquaque Creek
Location1.5 MI SW Washingtonville
RouteCity Street 0
CountyMontour County
StatePennsylvania
Coordinates41.03322, -76.69154
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length75 ft (22.9 m)
Longest span64 ft (19.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic25 (2022)
Projected traffic39 by 2044
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-347 (co. Br. #7) over Chillisquaque Creek built?

It was built in 1853, making it 172 years old in 2025. It was reconstructed in 1983.

What condition is T-347 (co. Br. #7) over Chillisquaque Creek 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 May 2023.

How much traffic does T-347 (co. Br. #7) over Chillisquaque Creek carry?

About 25 vehicles per day (2022 count).

How long is T-347 (co. Br. #7) over Chillisquaque Creek?

The structure is 75 ft (22.9 m) long with a longest span of 64 ft (19.5 m) and a deck 16 ft wide.

Who owns T-347 (co. Br. #7) over Chillisquaque Creek?

It is owned by the County Highway Agency.