Bridge Safety in Maryland
5,500 bridges — 240 Poor condition — avg age 53 years.
Bridge Inventory
| Total Bridges | 5,500 |
| Good Condition | 1,753 |
| Fair Condition | 3,507 |
| Poor Condition | 240 |
| Oldest Bridge | Built 1809 |
| Average Age | 53 years |
Condition Summary
| % Good | 31.9% |
| % Fair | 63.8% |
| % Poor | 4.4% |
Highest-Traffic Poor Condition Bridges in Maryland
Poor condition bridges sorted by daily traffic — the most urgent safety concerns.
| Bridge | Condition | Year Built | ADT | Length |
|---|---|---|---|---|
| CSX MTA AMTRAK AND NOR | Poor | 1959 | 127,291 | — |
| JONES FALLS (MI. 7.1 TO | Poor | 1959 | 105,600 | — |
| HERRING RUN | Poor | 1965 | 75,220 | — |
| OSTEND STREET AND CSX | Poor | 1951 | 70,700 | — |
| MD 632 | Poor | 1966 | 62,680 | — |
| MD 632 | Poor | 1966 | 62,680 | — |
| US 11 | Poor | 1965 | 62,680 | — |
| US 11 | Poor | 1965 | 62,680 | — |
| HERRING RUN | Poor | 1921 | 58,858 | — |
| MD 717 | Poor | 1959 | 46,652 | — |
| CSX | Poor | 1963 | 46,276 | — |
| CLARA BARTON PARKWAY (SB | Poor | 1959 | 40,057 | — |
| BEAVER CREEK | Poor | 1968 | 37,200 | — |
| GWYNNS FALLS | Poor | 1936 | 35,470 | — |
| LITTLE SENECA CREEK TRIB | Poor | 1995 | 33,220 | — |
| BROAD CREEK | Poor | 1963 | 30,739 | — |
| I-270 | Poor | 1985 | 30,343 | — |
| MTA LIGHT RAIL | Poor | 1962 | 29,900 | — |
| CSX | Poor | 1929 | 28,030 | — |
| COLGATE CREEK | Poor | 1968 | 27,231 | — |
Oldest Bridges in Maryland
| Bridge | Condition | Year Built | Age | ADT |
|---|---|---|---|---|
| LITTLE FALLS | Fair | 1809 | 217 yrs | 499 |
| ANTIETAM CREEK | Fair | 1823 | 203 yrs | 6,082 |
| BEAVER CREEK | Fair | 1824 | 202 yrs | 2,592 |
| ANTIETAM CREEK | Fair | 1824 | 202 yrs | 778 |
| CONOCOCHEAGUE CREEK | Fair | 1829 | 197 yrs | 4,532 |
| CONOCOCHEAGUE CREEK | Good | 1829 | 197 yrs | 265 |
| GROVE CREEK | Fair | 1830 | 196 yrs | 194 |
| ANTIETAM CREEK | Fair | 1830 | 196 yrs | 1,173 |
| ANTIETAM CREEK | Fair | 1832 | 194 yrs | 720 |
| LITTLE ANTIETAM CREEK | Good | 1832 | 194 yrs | 362 |
Bridge Safety in Maryland
Bridge condition data for Maryland comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.