US Bridges

Pa 873 over Trout Creek

Good

Lehigh County, Pennsylvania · Gen.Thos.R.Morgan Bridge · Structure no. 000000000045232

Built
2008
17 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
14,109
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 873 over Trout Creek is a prestressed concrete box beam or girders - multiple carrying Pa 873 over Trout Creek in Lehigh County, Pennsylvania. It was built in 2008, so it is 17 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 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 14,109 vehicles a day, roughly 3% of them trucks, projected to reach 17,302 by 2032. The structure is 180 ft (54.9 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPa 873
CrossesTrout Creek
LocationGen.Thos.R.Morgan Bridge
RouteState Highway 873
Coordinates40.75253, -75.61085
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.1 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span90 ft (27.4 m)
Deck width53 ft (16.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,109 (2024)
Projected traffic17,302 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 873 over Trout Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Pa 873 over Trout 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 November 2022.

How much traffic does Pa 873 over Trout Creek carry?

About 14,109 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Pa 873 over Trout Creek?

The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 53 ft wide.

Who owns Pa 873 over Trout Creek?

It is owned by the State Highway Agency.