HARPERS FERRY ROAD over ANTIETAM CREEK
Map
Coordinates:
+39.41692, -77.7421239°25'01" N, 77°44'32" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | HARPERS FERRY ROAD over ANTIETAM CREEK |
| Structure number: | 200000W-5731010 |
| Location: | ANTIETAM MD |
| Purpose: | Carries highway over waterway |
| Route classification: | Local (Rural) [09] |
| Length of largest span: | 36.1 ft. [11.0 m] |
| Total length: | 150.9 ft. [46.0 m] |
| Roadway width between curbs: | 14.8 ft. [4.5 m] |
| Deck width edge-to-edge: | 19.0 ft. [5.8 m] |
| Owner: | County Highway Agency [02] |
| Year built: | 1832 |
| Historic significance: | Bridge is eligible for the National Register of Historic Places [2] |
| Number of main spans: | 4 |
| Main spans material: | Masonry [8] |
| Main spans design: | Arch - Deck [11] |
| Deck type: | Not applicable [N] |
| Wearing surface: | Bituminous [6] |
2010 Inspection
| Status: | Posted for load [P] |
| Average daily traffic: | 507 [as of 2008] |
| Truck traffic: | 5% of total traffic |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Channel protection: | Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5] |
| Scour condition: | Bridge is scour critical; bridge foundations determined to be unstable. [3] |
| Operating rating: | 14.9 tons [13.5 metric tons] |
| Inventory rating: | 14.9 tons [13.5 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 39.2 |
| Recommended work: | Other structural work, including hydraulic replacements. [38] |
| Estimated cost of work: | $62,000 |
2000 Inspection
| Status: | Posted for load [P] |
| Average daily traffic: | 1,050 [as of 1999] |
| Truck traffic: | 5% of total traffic |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Channel protection: | Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5] |
| Scour condition: | Bridge is scour critical; bridge foundations determined to be unstable. [3] |
| Operating rating: | 14.9 tons [13.5 metric tons] |
| Inventory rating: | 14.9 tons [13.5 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 33.7 |
| Recommended work: | Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31] |
| Estimated cost of work: | $509,000 |
1992 Inspection
| Status: | Posted for load [P] |
| Average daily traffic: | 955 [as of 1988] |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Good [7 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Channel protection: | Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 14.9 tons [13.5 metric tons] |
| Inventory rating: | 14.9 tons [13.5 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 37.3 |