US Bridges

Linn Street Pa 144 over Unt to Spring Creek

Good

Centre County, Pennsylvania · Bellefonte · Structure no. 000000000054123

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
7,256
2023 count
Owner
State
State Highway Agency

About this bridge

Linn Street Pa 144 over Unt to Spring Creek is a prestressed concrete box beam or girders - multiple carrying Linn Street Pa 144 over Unt to Spring Creek in Centre County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,256 vehicles a day, roughly 6% of them trucks, projected to reach 13,221 by 2037. The structure is 45 ft (13.7 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLinn Street Pa 144
CrossesUnt to Spring Creek
LocationBellefonte
RouteState Highway 144
Coordinates40.92489, -77.77929
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,256 (2023)
Projected traffic13,221 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Linn Street Pa 144 over Unt to Spring Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Linn Street Pa 144 over Unt to Spring Creek 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 August 2023.

How much traffic does Linn Street Pa 144 over Unt to Spring Creek carry?

About 7,256 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Linn Street Pa 144 over Unt to Spring Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 47 ft wide.

Who owns Linn Street Pa 144 over Unt to Spring Creek?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).