US Bridges

Pa 403 over Unt to Soap Hollow Run

Good

Somerset County, Pennsylvania · Tire Hill · Structure no. 000000000069457

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
4,135
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 403 over Unt to Soap Hollow Run is a concrete culvert carrying Pa 403 over Unt to Soap Hollow Run in Somerset 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 4,135 vehicles a day, roughly 7% of them trucks, projected to reach 6,617 by 2032. The structure is 28 ft (8.5 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPa 403
CrossesUnt to Soap Hollow Run
LocationTire Hill
RouteState Highway 403
Coordinates40.26659, -78.91205
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width61 ft (18.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,135 (2023)
Projected traffic6,617 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 403 over Unt to Soap Hollow Run built?

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

What condition is Pa 403 over Unt to Soap 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 December 2024.

How much traffic does Pa 403 over Unt to Soap Hollow Run carry?

About 4,135 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Pa 403 over Unt to Soap Hollow Run?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 61 ft wide.

Who owns Pa 403 over Unt to Soap Hollow Run?

It is owned by the State Highway Agency.