US Bridges

St. Mary's County, Maryland bridges

St. Mary's County has 50 bridges and culverts in the National Bridge Inventory, the oldest built in 1925. 2 (4%) are rated poor. The most common type is culvert (44%).

Bridges
50
Good
26%
Fair
70%
Poor
4%
2 bridges
Average age
57.4 yrs
Posted or closed
3

Map of bridges in St. Mary's County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in St. Mary's County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

4%poor
Good26%(13)
Fair70%(35)
Poor4%(2)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 5 bridges519201930s: 9 bridges919301940s: 0 bridges19401950s: 11 bridges1119501960s: 2 bridges219601970s: 4 bridges419701980s: 2 bridges219801990s: 7 bridges719902000s: 5 bridges520002010s: 4 bridges420102020s: 1 bridges12020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Md 4 over Kingston Creek
    26,801 vehicles/day
    Fair
  2. Md 5 over ST Marys River
    22,642 vehicles/day
    Fair
  3. Md 5 over Mcintosh Run
    22,220 vehicles/day
    Fair
  4. Md 5 over Branch of Mcintosh Run
    22,220 vehicles/day
    Good
  5. Md 5 over Town Run
    21,360 vehicles/day
    Fair

Longest

  1. Cedar Point RD over Harpers Creek
    2,460 ft
    Fair
  2. Md 249 over ST Georges Creek
    402 ft
    Fair
  3. Md 4 over Kingston Creek
    276 ft
    Fair
  4. Pegg Road over Branch Jarboesville Run
    113 ft
    Fair
  5. Md 234 over ST Clements Creek
    111 ft
    Good

Oldest

  1. Md 244 over Moll Dyers Run
    Built 1925
    Good
  2. Md 5 over ST Clements Creek
    Built 1929
    Fair
  3. Md 242 over Locust Run
    Built 1929
    Fair
  4. Md 238 over Nelsons Run
    Built 1929
    Fair
  5. Md 238 over Burroughs Run
    Built 1929
    Fair

All bridges in St. Mary's County

Busiest first · showing 1–50 of 50
Bridges in St. Mary's County
BridgeLocationBuiltTypeLengthDaily trafficCondition
Md 4 over Kingston Creek
No. 100000180033010
2.07 Miles N of Md 2351980Stringer/Multi-beam or Girder276 ft26,801Fair
Md 5 over ST Marys River
No. 100000180006010
0.10 Mile North of Md 2461955Tee Beam78 ft22,642Fair
Md 5 over Mcintosh Run
No. 100000180002010
0.14 Mile South of Md 2431935Tee Beam89 ft22,220Fair
Md 5 over Branch of Mcintosh Run
No. 100000180039030
.652 Mile South of Md 2432017Culvert20 ft22,220Good
Md 5 over Town Run
No. 100000180038030
0.36 Mile South of Md 2451990Culvert62 ft21,360Fair
Md 4 over ST Marys River
No. 100000180035030
1.1 Miles South of Md 2351974Culvert22 ft18,051Fair
Md 237 over Jarboesville Run
No. 100000180036030
0.53 Mile North of Md 2462009Culvert33 ft17,352Fair
Md 5 over Glebe Run
No. 100000180004020
0.11 Mile South of Md 41955Culvert81 ft12,500Fair
Md 5 over Moll Dyers Run
No. 100000180005040
1.26 Miles S of Md 2441937Frame34 ft12,500Fair
Md 5 over Eastern Branch
No. 100000180008010
1.47 Miles N of Md 4892016Slab59 ft10,000Fair
Md 234 over ST Clements Creek
No. 100000180016010
0.28 Mile East of Md 2421950Stringer/Multi-beam or Girder111 ft9,701Good
Md 234 over Nelson Run
No. 100000180037030
0.43 Mile West of Md 51950Culvert25 ft9,701Fair
Pegg Road over Branch Jarboesville Run
No. 200000SM0057020
.8 MI Chancellors Run RD1990Culvert24 ft9,574Fair
Md 245 over Brooks Run
No. 100000180025020
1.71 Miles S of Md 2351950Culvert59 ft8,324Fair
Md 234 over Chaptico Creek
No. 100000180015010
0.22 Mile West of Md 2381959Slab93 ft8,121Fair
Md 5 over Hilton Run
No. 100000180007010
1.86 Miles N of Md 4891936Stringer/Multi-beam or Girder34 ft8,010Poor
Fenwick Street over Town Run
No. 100000180003020
0.3 Mile North of Md 51955Culvert23 ft7,918Fair
Md 5 over Fisherman Creek
No. 100000180009010
0.31 Mile North of Md 5841936Stringer/Multi-beam or Girder23 ft7,244Fair
Md 5 over ST Clements Creek
No. 100000180001010
0.72 Mile South of Md 2381929Arch - Deck24 ft6,450Fair
Md 234 over Budds Creek
No. 100000180014020
On Charles CO Line1960Culvert50 ft6,221Good
Wildewood Parkway over Unnamed Stream
No. 200000SM0089030
.9 MI W of Wildewood Blvd1995Culvert58 ft5,900Fair
Md 242 over Dynard Run
No. 100000180021020
0.86 Mile South of Md 2341960Culvert70 ft5,491Good
Md 242 over Tomakokin Creek
No. 100000180022010
0.71 Mile North of Md 2381936Stringer/Multi-beam or Girder29 ft5,491Fair
Pegg Road over Branch Jarboesville Run
No. 200000SM0080010
0.9 MI Southwest RT.2351995Stringer/Multi-beam or Girder113 ft4,891Fair
Md 5 over Church Creek
No. 100000180010010
2.4 Miles South of Md 5841936Stringer/Multi-beam or Girder23 ft4,400Fair
Md 471 over St. Marys River
No. 100000180028020
1.01 Miles North of Md 51990Culvert63 ft4,242Good
Md 471 over ST Marys River
No. 100000180029010
0.36 Mile North of Md 51932Tee Beam49 ft4,242Fair
Md 6 over Persimmon Creek
No. 100000180013010
2.44 Miles W of Md 2352021Slab59 ft4,200Good
Mechanicsville RD over Chaptico Creek
No. 200000SM0137020
0.7 MI N of Md RTE 2342011Culvert101 ft2,876Good
Md 244 over Poplar Hill Creek
No. 100000180024010
0.16 M W of Tower Hill RD1938Stringer/Multi-beam or Girder23 ft2,517Fair
Mcintosh Road over Mcintosh Run
No. 200000SM0002020
0.9 MI N of Md RTE 2451984Culvert52 ft2,500Good
Md 242 over Br of ST Clements Creek
No. 100000180034030
0.58 Mile South of Md 51951Culvert40 ft2,431Fair
Md 242 over Locust Run
No. 100000180019010
1.62 Miles South of Md 51929Arch - Deck47 ft2,371Fair
Md 242 over ST Clements Creek
No. 100000180020010
0.52 Mile North of Md 2342000Slab81 ft2,371Good
Md 244 over Moll Dyers Run
No. 100000180023010
1.21 Miles West of Md 51925Slab44 ft2,190Good
Md 6 over Locks Swamp Creek
No. 100000180012010
0.1 M W of Laurel View LN1930Slab23 ft1,951Fair
Md 238 over Nelsons Run
No. 100000180017010
0.28 Mile South of Md 2341929Slab23 ft1,791Fair
Md 238 over Burroughs Run
No. 100000180018010
1.49 Miles W of Md 2341929Arch - Deck40 ft1,791Fair
Md 249 over ST Georges Creek
No. 100000180026010
0.46 Mile S of Stark DR1957Stringer/Multi-beam or Girder402 ft1,530Fair
Md 470 over Tomakokin Creek
No. 100000180027010
0.88 Mile South of Md 2421997Slab30 ft1,453Good
Cedar Point RD over Harpers Creek
No. 1MD0667
0.7 MI N of Bronson RD1952Stringer/Multi-beam or Girder2,460 ft1,440Fair
Cedar Point RD over Goose Creek
No. 1MD0668
0.9 MI NE of Macaulay Ave1952Stringer/Multi-beam or Girder61 ft1,440Fair
Hurry RD over Nelsons Run
No. 200000SM0007030
0.2 MI S of Md RTE 2382008Culvert22 ft1,427Fair
Wildewood Dr. over Unnamed Tributary
No. 200000SM0161030
0.2 M S of Wildewood Pkwy2010Culvert24 ft1,024Fair
Ben Oaks Drive over Persimmon Creek
No. 200000SM0159030
0.4 M NE of Md 2352009Culvert48 ft978Good
Doctor Johnson Roa over St. Clements Creek
No. 200000SM0006030
0.9 MI W of Md RTE 2421975Culvert41 ft880Good
Greens Crossing CO over Craney Creek
No. 200000SM0157030
0.6 MI E. of Flat Iron RD2009Culvert33 ft603Fair
Stoney Run Drive over Warehouse Run
No. 200000SM0070030
1 MI W of Flat Iron Road1995Culvert20 ft478Fair
Delabrooke Road over Horse Landing Creek
No. 200000SM0003010
2 MI E of Md RTE 61971Stringer/Multi-beam or Girder21 ft200Fair
Cornfield Harbor D over Point Lookout Creek
No. 200000SM0001010
1 Mile South of SR 51970Stringer/Multi-beam or Girder41 ft150Poor

Structure types in St. Mary's County

Culvert2244.0%
Stringer/Multi-beam or Girder1326.0%
Slab816.0%
Arch - Deck36.0%
Tee Beam36.0%
Frame12.0%

Other counties in Maryland