US Bridges

SR 3023(JOHNS St.) over Little Conemaugh River

Good

Cambria County, Pennsylvania · Johnstown · Structure no. 000000000008637

Built
1926
99 years old, rebuilt 2001
Condition
Good
inspected October 2023
Type
Truss - Thru
Steel
Length
142 ft
1 main span
Daily traffic
1,359
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3023(JOHNS St.) over Little Conemaugh River is a steel truss - thru carrying SR 3023(JOHNS St.) over Little Conemaugh River in Cambria County, Pennsylvania. It was built in 1926 and reconstructed in 2001, so it is 99 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,359 vehicles a day, roughly 10% of them trucks, projected to reach 2,998 by 2032. The structure is 142 ft (43.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 3023(JOHNS St.)
CrossesLittle Conemaugh River
LocationJohnstown
RouteState Highway 0
Coordinates40.32939, -78.92364
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length142 ft (43.3 m)
Longest span135 ft (41.1 m)
Deck width56 ft (17.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,359 (2024)
Projected traffic2,998 by 2032
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 SR 3023(JOHNS St.) over Little Conemaugh River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2001.

What condition is SR 3023(JOHNS St.) over Little Conemaugh River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does SR 3023(JOHNS St.) over Little Conemaugh River carry?

About 1,359 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 3023(JOHNS St.) over Little Conemaugh River?

The structure is 142 ft (43.3 m) long with a longest span of 135 ft (41.1 m) and a deck 56 ft wide.

Who owns SR 3023(JOHNS St.) over Little Conemaugh River?

It is owned by the State Highway Agency.