diff --git a/data/osm/osm_settings.ini b/data/osm/osm_settings.ini
index 204b6f4..1245b11 100644
--- a/data/osm/osm_settings.ini
+++ b/data/osm/osm_settings.ini
@@ -15,7 +15,9 @@ culverts                      = id, oneway, drain_type, material, smoothness, wi
 ProjectedCRS                 = EPSG:32737
 inletLossCoefCulvert         = 0.6
 outletLossCoefCulvert        = 1.0
-frictiontype                 = manning
+frictiontype                 = Manning # Options: Chezy, Manning, wallLawNikuradse, WhiteColebrook, StricklerNikuradse, Strickler, deBosBijkerk
+frictionmaterials            = default, concrete, steel, plastic, rock, sand # Always start with default
+frictionvalues               = 0.02, 0.02, 0.014, 0.012, 0.035, 0.025 # Give values corresponding to material above
 
 [output]
 OutputDirectory               = ../data/osm/fm
diff --git a/delft3dfmpy/datamodels/osm.py b/delft3dfmpy/datamodels/osm.py
index 9e17542..0cfe8da 100644
--- a/delft3dfmpy/datamodels/osm.py
+++ b/delft3dfmpy/datamodels/osm.py
@@ -48,8 +48,6 @@ def __init__(self, extent_file=None, data_columns=None, proj_crs = None, logger=
         # FIXME: ensure that all culvert types and properties can be handled. We probably have circular and box-shaped culverts, sometimes with multiple openings
         self.culverts = ExtendedGeoDataFrame(geotype=LineString, required_columns=self.get_columns('culverts'))
 
-        self.bridges = ExtendedGeoDataFrame(geotype=Point, required_columns=self.get_columns('bridges'))
-
         # # FIXME: not sure what laterals in this context mean, but I don't think we need it at this stage.
         # self.laterals = ExtendedGeoDataFrame(geotype=Point, required_columns=[
         #     'code',
diff --git a/examples/test_osm.py b/examples/test_osm.py
index a0b6628..2883443 100644
--- a/examples/test_osm.py
+++ b/examples/test_osm.py
@@ -94,7 +94,7 @@
 osm.branches.plot(ax=ax1, label='Channel')
 osm.profiles.geometry.plot(ax=ax1, marker='.', color='r' , markersize=5, label='Cross section')
 osm.culverts.centroid.plot(ax=ax1, color='yellow', label='Culvert', markersize=5, zorder=10)
-plt.show()
+#plt.show()
 
 # TODO: CROSS SECTION LOCATION - add cross sections at start and end of branch. Take the longitudinal slope with SHIFT parameter into account
 # TODO: replace dummy dem values of dem at cross-sections, dem at leftlevel, dem at rightlevel for profiles and culverts
@@ -148,7 +148,6 @@
 osm.culverts['crosssection'] = [{} for _ in range(len(osm.culverts))]
 
 for culvert in osm.culverts.itertuples():
-
     # Generate cross section definition name
     if culvert.profile == 'round':
         crosssection = {'shape': 'circle', 'diameter': culvert.diameter}
@@ -167,7 +166,10 @@
 osm.culverts['numlosscoef'] = 0
 
 # TODO: bedfrictiontype - inifile
+friction_type = parameters['frictiontype']
+
 # TODO: bedfrictionvalue - material and smoothness, inifile
+friction_values = dict(zip(parameters['frictionmaterials'].split(','), list(map(float,parameters['frictionvalues'].split(',')))))
 
 osm.culverts.columns
 # TODO: CROSS SECTIONS DEFINTION - specify roughness dependent on material add this