Historic Bridges in Pennsylvania
6,062 bridges built before 1951 in Pennsylvania still in service today.
Bridges Built Before 1951
The United States has 6,062 bridges in Pennsylvania built before 1951 that remain in active service. These structures are 75+ years old, many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| OVER LT BROKENSTRAW CK. | Pennsylvania | Fair | 1920 | 106 | 100 |
| PIGEON CREEK | Pennsylvania | Fair | 1920 | 106 | 591 |
| FISHPOT RUN | Pennsylvania | Fair | 1920 | 106 | 5 |
| BRANCH OF CHARTIERS CRK | Pennsylvania | Poor | 1920 | 106 | 9,600 |
| BRUSH RUN CREEK | Pennsylvania | Poor | 1920 | 106 | 350 |
| BRUSH RUN | Pennsylvania | Poor | 1920 | 106 | 500 |
| MAPLE CREEK trib | Pennsylvania | Good | 1920 | 106 | 10 |
| N BR LACKAWAXEN RIVER | Pennsylvania | Fair | 1920 | 106 | 645 |
| JONES CREEK | Pennsylvania | Poor | 1920 | 106 | 516 |
| MIDDLE CREEK | Pennsylvania | Poor | 1920 | 106 | 1,187 |
| STARRUCCA CREEK | Pennsylvania | Fair | 1920 | 106 | 10 |
| BRUSH CREEK | Pennsylvania | Poor | 1920 | 106 | 20 |
| FOUR MILE RUN | Pennsylvania | Poor | 1920 | 106 | 150 |
| Little Sewickley Creek | Pennsylvania | Poor | 1920 | 106 | 550 |
| MILL CREEK | Pennsylvania | Fair | 1920 | 106 | 145 |
| Jacobs Creek | Pennsylvania | Fair | 1920 | 106 | 100 |
| BEAVER RUN | Pennsylvania | Poor | 1920 | 106 | 60 |
| BEAVER RUN | Pennsylvania | Fair | 1920 | 106 | 150 |
| BEAVER RUN | Pennsylvania | Poor | 1920 | 106 | 100 |
| TURTLE CREEK | Pennsylvania | Poor | 1920 | 106 | 880 |
| READING BLUMNT&NORTHERN | Pennsylvania | Fair | 1920 | 106 | 142 |
| FALLS CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| MARSH CREEK | Pennsylvania | Poor | 1920 | 106 | 50 |
| TRIB. CONEWAGO CREEK | Pennsylvania | Poor | 1920 | 106 | 250 |
| TOMS RUN | Pennsylvania | Fair | 1920 | 106 | 71 |
| EAST BRANCH CODORUS CR | Pennsylvania | Fair | 1920 | 106 | 243 |
| CENTERVILLE CREEK | Pennsylvania | Poor | 1920 | 106 | 600 |
| PENNYPACK CRK;PATHS | Pennsylvania | Fair | 1920 | 106 | 52,330 |
| LONG RUN | Pennsylvania | Fair | 1920 | 106 | 50 |
| NESCOPECK CREEK | Pennsylvania | Poor | 1920 | 106 | 70 |
| Otter Creek | Pennsylvania | Poor | 1920 | 106 | 7,200 |
| Bear Run | Pennsylvania | Poor | 1920 | 106 | 50 |
| Little Bull Creek | Pennsylvania | Poor | 1920 | 106 | 221 |
| NAYLORS RUN | Pennsylvania | Fair | 1920 | 106 | 500 |
| DRINKER CREEK | Pennsylvania | Poor | 1920 | 106 | 25 |
| 02270 PAT 2ND AV ROSS ST | Pennsylvania | Fair | 1921 | 105 | 5,081 |
| N.BRANCH ROBINSON RUN | Pennsylvania | Fair | 1921 | 105 | 1,444 |
| PINE CREEK | Pennsylvania | Good | 1921 | 105 | 7,308 |
| PINE CREEK NORTH BRANCH | Pennsylvania | Fair | 1921 | 105 | 59 |
| TRIB TO PINE RUN | Pennsylvania | Poor | 1921 | 105 | 1,103 |
| CROSSKILL CREEK | Pennsylvania | Poor | 1921 | 105 | 200 |
| MOSELEM CREEK | Pennsylvania | Poor | 1921 | 105 | 649 |
| MANOR CREEK | Pennsylvania | Poor | 1921 | 105 | 120 |
| LITTLE MUDDY CREEK | Pennsylvania | Fair | 1921 | 105 | 440 |
| TUSCARORA CREEK | Pennsylvania | Fair | 1921 | 105 | 748 |
| SUGAR CREEK | Pennsylvania | Fair | 1921 | 105 | 150 |
| NESHAMINY CREEK/ 3261-G7 | Pennsylvania | Poor | 1921 | 105 | 7,082 |
| BRANCH OF NESHAMINY CRK | Pennsylvania | Fair | 1921 | 105 | 400 |
| LOWREY RUN | Pennsylvania | Fair | 1921 | 105 | 100 |
| PATTYS RUN | Pennsylvania | Fair | 1921 | 105 | 2,040 |
About Historic Bridge Data
Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.