US Bridges

Pa 164 over Little Conemaugh River

Fair

Cambria County, Pennsylvania · 0.2 MI North of Pa 53 · Structure no. 000000000041576

Built
2002
23 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
139 ft
2 main spans
Daily traffic
1,983
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 164 over Little Conemaugh River is a prestressed concrete box beam or girders - multiple carrying Pa 164 over Little Conemaugh River in Cambria County, Pennsylvania. It was built in 2002, so it is 23 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 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 1,983 vehicles a day, roughly 11% of them trucks, projected to reach 2,486 by 2032. The structure is 139 ft (42.4 m) long and 42 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesPa 164
CrossesLittle Conemaugh River
Location0.2 MI North of Pa 53
RouteState Highway 164
Coordinates40.39628, -78.66806
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating65 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length139 ft (42.4 m)
Longest span67 ft (20.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,983 (2024)
Projected traffic2,486 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 164 over Little Conemaugh River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Pa 164 over Little Conemaugh River 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 November 2024.

How much traffic does Pa 164 over Little Conemaugh River carry?

About 1,983 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pa 164 over Little Conemaugh River?

The structure is 139 ft (42.4 m) long with a longest span of 67 ft (20.4 m) and a deck 42 ft wide.

Who owns Pa 164 over Little Conemaugh River?

It is owned by the State Highway Agency.