US Bridges

Cabin Ridge Lane over Linn Run

Fair

Westmoreland County, Pennsylvania · Linn Run State Park · Structure no. 000000000037030

Built
1997
28 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
10
2012 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Cabin Ridge Lane over Linn Run is a steel stringer/multi-beam or girder carrying Cabin Ridge Lane over Linn Run in Westmoreland County, Pennsylvania. It was built in 1997, so it is 28 years old, younger 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 10 by 2032. The structure is 41 ft (12.5 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCabin Ridge Lane
CrossesLinn Run
LocationLinn Run State Park
RouteState Lands Road 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.1538, -79.218
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating94 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span36 ft (11 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2012)
Projected traffic10 by 2032
Trucks1%
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cabin Ridge Lane over Linn Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cabin Ridge Lane over Linn 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 September 2022.

How much traffic does Cabin Ridge Lane over Linn Run carry?

About 10 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Cabin Ridge Lane over Linn Run?

The structure is 41 ft (12.5 m) long with a longest span of 36 ft (11 m) and a deck 17 ft wide.

Who owns Cabin Ridge Lane over Linn Run?

It is owned by the State Park, Forest, or Reservation Agency.