US Bridges

T-361 (cty Br 17) over Roaring Creek

FairPosted for load

Columbia County, Pennsylvania · 0.75 MI SE of Slabtown · Structure no. 000000000012815

Built
1876
149 years old, rebuilt 2010
Condition
Fair
inspected June 2024
Type
Truss - Thru
Wood or Timber
Length
60 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

T-361 (cty Br 17) over Roaring Creek is a wood or timber truss - thru carrying T-361 (cty Br 17) over Roaring Creek in Columbia County, Pennsylvania. It was built in 1876 and reconstructed in 2010, so it is 149 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 50 vehicles a day, projected to reach 77 by 2045. The structure is 60 ft (18.3 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesT-361 (cty Br 17)
CrossesRoaring Creek
Location0.75 MI SE of Slabtown
RouteCity Street 0
CountyColumbia County
StatePennsylvania
Coordinates40.90118, -76.39447
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating7.1 US tons
Inventory rating3 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span42 ft (12.8 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$160,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-361 (cty Br 17) over Roaring Creek built?

It was built in 1876, making it 149 years old in 2025. It was reconstructed in 2010.

What condition is T-361 (cty Br 17) over Roaring 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 June 2024.

How much traffic does T-361 (cty Br 17) over Roaring Creek carry?

About 50 vehicles per day (2023 count).

How long is T-361 (cty Br 17) over Roaring Creek?

The structure is 60 ft (18.3 m) long with a longest span of 42 ft (12.8 m) and a deck 15 ft wide.

Who owns T-361 (cty Br 17) over Roaring Creek?

It is owned by the County Highway Agency.