US Bridges

SR 4024 (APPL.745) over Trout Creek

Fair

Lehigh County, Pennsylvania · Lehigh Furnace · Structure no. 000000000023398

Built
1933
92 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
3,029
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4024 (APPL.745) over Trout Creek is a concrete tee beam carrying SR 4024 (APPL.745) over Trout Creek in Lehigh County, Pennsylvania. It was built in 1933, so it is 92 years old, older 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 5 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 3,029 vehicles a day, roughly 9% of them trucks, projected to reach 2,959 by 2032. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 4024 (APPL.745)
CrossesTrout Creek
LocationLehigh Furnace
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.74264, -75.67957
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,029 (2024)
Projected traffic2,959 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$79,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4024 (APPL.745) over Trout Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is SR 4024 (APPL.745) over Trout Creek 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 January 2024.

How much traffic does SR 4024 (APPL.745) over Trout Creek carry?

About 3,029 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 4024 (APPL.745) over Trout Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns SR 4024 (APPL.745) over Trout Creek?

It is owned by the State Highway Agency.