US Bridges

Pa 985 over Beaver Dam Run

Fair

Somerset County, Pennsylvania · 2 Mi.S.Of Jennerstown · Structure no. 000000000031497

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
59 ft
2 main spans
Daily traffic
2,830
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 985 over Beaver Dam Run is a concrete tee beam carrying Pa 985 over Beaver Dam Run in Somerset County, Pennsylvania. It was built in 1953, so it is 72 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 2,830 vehicles a day, roughly 8% of them trucks, projected to reach 4,259 by 2032. The structure is 59 ft (18 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPa 985
CrossesBeaver Dam Run
Location2 Mi.S.Of Jennerstown
RouteState Highway 985
Coordinates40.13889, -79.08216
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length59 ft (18 m)
Longest span27 ft (8.2 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,830 (2024)
Projected traffic4,259 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 985 over Beaver Dam Run built?

It was built in 1953, making it 72 years old in 2025.

What condition is Pa 985 over Beaver Dam 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 June 2023.

How much traffic does Pa 985 over Beaver Dam Run carry?

About 2,830 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pa 985 over Beaver Dam Run?

The structure is 59 ft (18 m) long with a longest span of 27 ft (8.2 m) and a deck 44 ft wide.

Who owns Pa 985 over Beaver Dam Run?

It is owned by the State Highway Agency.