US Bridges

TR 147 over Over SR 254

Fair

Northumberland County, Pennsylvania · Boro of Milton · Structure no. 000000000029058

Built
1971
54 years old, rebuilt 2004
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
9,520
2023 count
Owner
State
State Highway Agency

About this bridge

TR 147 over Over SR 254 is a prestressed concrete stringer/multi-beam or girder carrying TR 147 over Over SR 254 in Northumberland County, Pennsylvania. It was built in 1971 and reconstructed in 2004, so it is 54 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 9,520 vehicles a day, roughly 22% of them trucks, projected to reach 8,555 by 2032. The structure is 155 ft (47.2 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesTR 147
CrossesOver SR 254
LocationBoro of Milton
RouteState Highway 147
CountyNorthumberland County
StatePennsylvania
Coordinates41.02096, -76.83397
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span84 ft (25.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,520 (2023)
Projected traffic8,555 by 2032
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 147 over Over SR 254 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2004.

What condition is TR 147 over Over SR 254 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 December 2023.

How much traffic does TR 147 over Over SR 254 carry?

About 9,520 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is TR 147 over Over SR 254?

The structure is 155 ft (47.2 m) long with a longest span of 84 ft (25.6 m) and a deck 48 ft wide.

Who owns TR 147 over Over SR 254?

It is owned by the State Highway Agency.