US Bridges

SR 346-PA 346 over Tram Hollow Run

Good

McKean County, Pennsylvania · W Duke Center · Structure no. 000000000069982

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
1,255
2024 count
Owner
State
State Highway Agency

About this bridge

SR 346-PA 346 over Tram Hollow Run is a concrete culvert carrying SR 346-PA 346 over Tram Hollow Run in McKean County, Pennsylvania. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,255 vehicles a day, roughly 4% of them trucks, projected to reach 1,087 by 2044. The structure is 41 ft (12.5 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 346-PA 346
CrossesTram Hollow Run
LocationW Duke Center
RouteState Highway 346
CountyMcKean County
StatePennsylvania
Coordinates41.95355, -78.48856
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span29 ft (8.8 m)
Deck width36 ft (10.9 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,255 (2024)
Projected traffic1,087 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 346-PA 346 over Tram Hollow Run built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR 346-PA 346 over Tram Hollow Run 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 November 2024.

How much traffic does SR 346-PA 346 over Tram Hollow Run carry?

About 1,255 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 346-PA 346 over Tram Hollow Run?

The structure is 41 ft (12.5 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns SR 346-PA 346 over Tram Hollow Run?

It is owned by the State Highway Agency.