US Bridges

Diamond ST (T-519) over Mountain Run

Fair

Clearfield County, Pennsylvania · 0.5 MI N of SR 255 · Structure no. 000000000011922

Built
1900
125 years old, rebuilt 2013
Condition
Fair
inspected September 2023
Type
Other
Wood or Timber
Length
30 ft
1 main span
Daily traffic
45
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Diamond ST (T-519) over Mountain Run is a wood or timber other carrying Diamond ST (T-519) over Mountain Run in Clearfield County, Pennsylvania. It was built in 1900 and reconstructed in 2013, so it is 125 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 6 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 45 vehicles a day, projected to reach 60 by 2041. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDiamond ST (T-519)
CrossesMountain Run
Location0.5 MI N of SR 255
RouteCity Street 0
CountyClearfield County
StatePennsylvania
Coordinates41.19449, -78.60094
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.3 US tons
Inventory rating59.6 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2021)
Projected traffic60 by 2041
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$396,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Diamond ST (T-519) over Mountain Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2013.

What condition is Diamond ST (T-519) over Mountain 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 2023.

How much traffic does Diamond ST (T-519) over Mountain Run carry?

About 45 vehicles per day (2021 count).

How long is Diamond ST (T-519) over Mountain Run?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns Diamond ST (T-519) over Mountain Run?

It is owned by the Town or Township Highway Agency.