US Bridges

Riverhill DR T994 over Tubmill Creek

PoorPosted for load

Westmoreland County, Pennsylvania · 600 Ft North of SR 711 · Structure no. 000000000036950

Built
1960
65 years old
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
50
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Riverhill DR T994 over Tubmill Creek is a steel stringer/multi-beam or girder carrying Riverhill DR T994 over Tubmill Creek in Westmoreland County, Pennsylvania. It was built in 1960, so it is 65 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2032. The structure is 26 ft (7.9 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRiverhill DR T994
CrossesTubmill Creek
Location600 Ft North of SR 711
RouteCity Street 0T994
Coordinates40.35714, -79.1131
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2022
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating19 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic50 by 2032
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverhill DR T994 over Tubmill Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Riverhill DR T994 over Tubmill 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 November 2022.

How much traffic does Riverhill DR T994 over Tubmill Creek carry?

About 50 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Riverhill DR T994 over Tubmill Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 15 ft wide.

Who owns Riverhill DR T994 over Tubmill Creek?

It is owned by the Town or Township Highway Agency.