The continuous slab-deck on simply supported girder bridge piers is prone to cracks and local concrete damage under load in China. A new type of continuous slab-deck specimens base on high toughness cementitious composites （HTCC）was designed and manufactured at a 1:1 scale to improve the structure's durability. Fatigue test and static failure test were carried out successively. The load-displacement curves, material strains, and failure modes were recorded, and finite element simulations were performed for comparison. Results showed that: 1) During 2 million fatigue cycles, the specimen did not crack. The load-displacement curves of different fatigue stages were basically coincident, the specimen remained in the elastic range with a stiffness variation of 12.43%. 2) The finite element model closely matched test results. 3) Static load tests at different fatigue stages indicated minimal residual strain in the material, with high toughness cementitious composites concrete strains around 40 με and steel strains below 20 με. The maximum steel stress was 25.8 MPa, well below its yield strength of 400 MPa. 4) The cracking load is 25kN. Once the crack width and rotation angle reached the limit, defined as specimen failure, the failure load was 205.0 kN. In the process of loading to failure, it was found that the main crack has a long development period and the peak crack is 2.40 mm. In general, the high toughness cementitious composites effectively constrained crack development. The new structure exhibits favorable mechanical properties and potential for application in similar projects.