US Bridges

SR 2001 over Tub Mill Run

Fair

Somerset County, Pennsylvania · Compton · Structure no. 000000000031576

Built
1928
97 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
363
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2001 over Tub Mill Run is a steel stringer/multi-beam or girder carrying SR 2001 over Tub Mill Run in Somerset County, Pennsylvania. It was built in 1928, so it is 97 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.

It carries about 363 vehicles a day, roughly 9% of them trucks, projected to reach 237 by 2032. The structure is 36 ft (11 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 2001
CrossesTub Mill Run
LocationCompton
RouteState Highway 0
Coordinates39.76077, -79.12357
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
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.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic363 (2024)
Projected traffic237 by 2032
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$674,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2001 over Tub Mill Run built?

It was built in 1928, making it 97 years old in 2025.

What condition is SR 2001 over Tub Mill Run 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 March 2024.

How much traffic does SR 2001 over Tub Mill Run carry?

About 363 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 2001 over Tub Mill Run?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 18 ft wide.

Who owns SR 2001 over Tub Mill Run?

It is owned by the State Highway Agency.