US Bridges

Basin Street over Little Lehigh Creek

PoorPosted for load

Lehigh County, Pennsylvania · Between 3rd & 4th Street · Structure no. 000000000023511

Built
1959
66 years old
Condition
Poor
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
14,700
1972 count
Owner
County
County Highway Agency

About this bridge

Basin Street over Little Lehigh Creek is a prestressed concrete box beam or girders - multiple carrying Basin Street over Little Lehigh Creek in Lehigh County, Pennsylvania. It was built in 1959, so it is 66 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 14,700 vehicles a day, roughly 20% of them trucks, projected to reach 20,580 by 2020. The structure is 210 ft (64 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBasin Street
CrossesLittle Lehigh Creek
LocationBetween 3rd & 4th Street
RouteCity Street 0B000
Coordinates40.60059, -75.45828
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating34 US tons
Inventory rating4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadH 20
Structure length210 ft (64 m)
Longest span68 ft (20.7 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (1972)
Projected traffic20,580 by 2020
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$741,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Basin Street over Little Lehigh Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Basin Street over Little Lehigh Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Basin Street over Little Lehigh Creek carry?

About 14,700 vehicles per day (1972 count), of which roughly 20% are trucks.

How long is Basin Street over Little Lehigh Creek?

The structure is 210 ft (64 m) long with a longest span of 68 ft (20.7 m) and a deck 61 ft wide.

Who owns Basin Street over Little Lehigh Creek?

It is owned by the County Highway Agency.