South Main Street over Monocacy Creek
FairLehigh County, Pennsylvania · North of Lehigh Street · Structure no. 000000000023517
- Built
- 1966
- 59 years old, rebuilt 2003
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 76 ft
- 1 main span
- Daily traffic
- 1,000
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Main Street over Monocacy Creek is a steel stringer/multi-beam or girder carrying South Main Street over Monocacy Creek in Lehigh County, Pennsylvania. It was built in 1966 and reconstructed in 2003, so it is 59 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2020. The structure is 76 ft (23.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Main Street over Monocacy Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2003.
What condition is South Main Street over Monocacy 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 May 2024.
How much traffic does South Main Street over Monocacy Creek carry?
About 1,000 vehicles per day (2010 count), of which roughly 1% are trucks.
How long is South Main Street over Monocacy Creek?
The structure is 76 ft (23.2 m) long with a longest span of 75 ft (22.9 m) and a deck 52 ft wide.
Who owns South Main Street over Monocacy Creek?
It is owned by the City or Municipal Highway Agency.