US Bridges

Traux Bridge TR348 over Harmon Creek

PoorPosted for load

Washington County, Pennsylvania · 300 South of TR-319 · Structure no. 000000000035303

Built
1964
61 years old, rebuilt 2014
Condition
Poor
inspected August 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
32 ft
3 main spans
Daily traffic
60
1990 count
Owner
County
County Highway Agency

About this bridge

Traux Bridge TR348 over Harmon Creek is a steel continuous girder and floorbeam system carrying Traux Bridge TR348 over Harmon Creek in Washington County, Pennsylvania. It was built in 1964 and reconstructed in 2014, so it is 61 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 60 vehicles a day, projected to reach 60 by 2000. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTraux Bridge TR348
CrossesHarmon Creek
Location300 South of TR-319
RouteCity Street 0T348
Coordinates40.3655, -80.50938
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating6 US tons

Structure

MaterialSteel Continuous
DeckOpen grating
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width14 ft (4.3 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1990)
Projected traffic60 by 2000
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Traux Bridge TR348 over Harmon Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2014.

What condition is Traux Bridge TR348 over Harmon 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 August 2023.

How much traffic does Traux Bridge TR348 over Harmon Creek carry?

About 60 vehicles per day (1990 count).

How long is Traux Bridge TR348 over Harmon Creek?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m) and a deck 14 ft wide.

Who owns Traux Bridge TR348 over Harmon Creek?

It is owned by the County Highway Agency.