US Bridges

US 30 over Two Mile Run

Good

Somerset County, Pennsylvania · 1.5 Mi.E.Of Jennerstown · Structure no. 000000000031327

Built
1946
79 years old, rebuilt 2019
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
4,562
2024 count
Owner
State
State Highway Agency

About this bridge

US 30 over Two Mile Run is a prestressed concrete slab carrying US 30 over Two Mile Run in Somerset County, Pennsylvania. It was built in 1946 and reconstructed in 2019, so it is 79 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 4,562 vehicles a day, roughly 12% of them trucks, projected to reach 5,192 by 2032. The structure is 27 ft (8.2 m) long and 87 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 30
CrossesTwo Mile Run
Location1.5 Mi.E.Of Jennerstown
RouteU.S. Route 30
Coordinates40.1378, -79.00962
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,562 (2024)
Projected traffic5,192 by 2032
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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$794,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over Two Mile Run built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2019.

What condition is US 30 over Two Mile 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 US 30 over Two Mile Run carry?

About 4,562 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 30 over Two Mile Run?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 87 ft wide.

Who owns US 30 over Two Mile Run?

It is owned by the State Highway Agency.